Weakness (CWE)
CWE-79: Cross-site Scripting
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
How to prevent it (8 mitigations)
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Architecture and Design
Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
Examples of libraries and frameworks that make it easier to generate properly encoded output include Microsoft's Anti-XSS library, the OWASP ESAPI Encoding module, and Apache Wicket.
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Implementation, Architecture and Design
Understand the context in which your data will be used and the encoding that will be expected. This is especially important when transmitting data between different components, or when generating outputs that can contain multiple encodings at the same time, such as web pages or multi-part mail messages. Study all expected communication protocols and data representations to determine the required encoding strategies.
For any data that will be output to another web page, especially any data that was received from external inputs, use the appropriate encoding on all non-alphanumeric characters.
Parts of the same output document may require different encodings, which will vary depending on whether the output is in the:
- HTML body
- Element attributes (such as src="XYZ")
- URIs
- JavaScript sections
- Cascading Style Sheets and style property
etc. Note that HTML Entity Encoding is only appropriate for the HTML body.
Consult the XSS Prevention Cheat Sheet [REF-724] for more details on the types of encoding and escaping that are needed.
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Architecture and Design, Implementation
Understand all the potential areas where untrusted inputs can enter your software: parameters or arguments, cookies, anything read from the network, environment variables, reverse DNS lookups, query results, request headers, URL components, e-mail, files, filenames, databases, and any external systems that provide data to the application. Remember that such inputs may be obtained indirectly through API calls.
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Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
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Architecture and Design
If available, use structured mechanisms that automatically enforce the separation between data and code. These mechanisms may be able to provide the relevant quoting, encoding, and validation automatically, instead of relying on the developer to provide this capability at every point where output is generated.
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Implementation
Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
The problem of inconsistent output encodings often arises in web pages. If an encoding is not specified in an HTTP header, web browsers often guess about which encoding is being used. This can open up the browser to subtle XSS attacks.
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Implementation
With Struts, write all data from form beans with the bean's filter attribute set to true.
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Implementation
To help mitigate XSS attacks against the user's session cookie, set the session cookie to be HttpOnly. In browsers that support the HttpOnly feature (such as more recent versions of Internet Explorer and Firefox), this attribute can prevent the user's session cookie from being accessible to malicious client-side scripts that use document.cookie. This is not a complete solution, since HttpOnly is not supported by all browsers. More importantly, XmlHttpRequest and other powerful browser technologies provide read access to HTTP headers, including the Set-Cookie header in which the HttpOnly flag is set.
Source: MITRE CWE-79
2,694 results · Clear filters · Feed
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Low 3.5
PHPGurukul Complaint Management System complaint-search.php cross site scripting
A vulnerability was found in PHPGurukul Complaint Management System 2.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /admin/complaint-search.php. The manipulation of the argument Search leads to cross site sc…
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Low 3.5
cgpandey hotelmis HTTP GET Request admin.php cross site scripting
A vulnerability classified as problematic was found in cgpandey hotelmis up to c572198e6c4780fccc63b1d3e8f3f72f825fc94e. This vulnerability affects unknown code of the file admin.php of the component HTTP GET Request Handler. The manipulation of the argument …
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Low 3.5
PHPGurukul Online Security Guards Hiring System search.php cross site scripting
A vulnerability was found in PHPGurukul Online Security Guards Hiring System 1.0. It has been declared as problematic. This vulnerability affects unknown code of the file /admin/search.php. The manipulation of the argument searchdata leads to cross site scrip…
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Low 3.5
Gnuboard g6 Post Reply qa cross site scripting
A vulnerability, which was classified as problematic, has been found in Gnuboard g6 up to 6.0.10. This issue affects some unknown processing of the file /bbs/scrap_popin_update/qa/ of the component Post Reply Handler. The manipulation leads to cross site scri…
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Low 3.5
PHPGurukul Art Gallery Management System edit-art-medium-detail.php cross site scripting
A vulnerability, which was classified as problematic, has been found in PHPGurukul Art Gallery Management System 1.1. Affected by this issue is some unknown functionality of the file /admin/edit-art-medium-detail.php. The manipulation of the argument artmed l…
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Low 3.5
ZCMS Create Article Page cross site scripting
A vulnerability classified as problematic was found in ZCMS 3.6.0. This vulnerability affects unknown code of the component Create Article Page. The manipulation of the argument Title leads to cross site scripting. The attack can be initiated remotely. The ex…
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Low 3.5
Scada-LTS usersProfiles.shtm cross site scripting
A vulnerability classified as problematic was found in Scada-LTS up to 2.7.8.1. Affected by this vulnerability is an unknown functionality of the file usersProfiles.shtm. The manipulation of the argument Username leads to cross site scripting. The attack can …
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Low 3.5
Scada-LTS users.shtm cross site scripting
A vulnerability classified as problematic has been found in Scada-LTS up to 2.7.8.1. Affected is an unknown function of the file users.shtm. The manipulation of the argument Username leads to cross site scripting. It is possible to launch the attack remotely.…
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Low 1.3
The Scratch Channel Has Potential Reflected Cross-Site Scripting (XSS) Vulnerability
The Scratch Channel is a news website that is under development as of time of this writing. The file `/api/admin.js` contains code that could make the website vulnerable to cross-site scripting. No known patches exist as of time of publication.
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Low 1.3
The Scratch Channel Has Potential Cross-Site Scripting (XSS) Vulnerability
The Scratch Channel is a news website that is under development as of time of this writing. The file `/api/users.js` doesn't properly sanitize text box inputs, leading to a potential vulnerability to cross-site scripting attacks. Commit 90b39eb56b27b2bac29001…
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Low 3.5
PHPGurukul Online Library Management System student-history.php cross site scripting
A vulnerability has been found in PHPGurukul Online Library Management System 3.0 and classified as problematic. This vulnerability affects unknown code of the file /admin/student-history.php. The manipulation of the argument stdid leads to cross site scripti…
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Low 3.5
Bigotry OneBase think_exception.tpl parse_args cross site scripting
A vulnerability was found in Bigotry OneBase up to 1.3.6. It has been declared as problematic. Affected by this vulnerability is the function parse_args of the file /tpl/think_exception.tpl. The manipulation of the argument args leads to cross site scripting.…
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Low 2.4
Sapido RB-1802 URL Filtering Page urlfilter.asp cross site scripting
A vulnerability classified as problematic was found in Sapido RB-1802 1.0.32. This vulnerability affects unknown code of the file urlfilter.asp of the component URL Filtering Page. The manipulation of the argument URL address leads to cross site scripting. Th…
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Low 3.5
LiveHelperChat lhc-php-resque Extension List list cross site scripting
A vulnerability was found in LiveHelperChat lhc-php-resque Extension up to ee1270b35625f552425e32a6a3061cd54b5085c4. It has been classified as problematic. This affects an unknown part of the file /site_admin/lhcphpresque/list/ of the component List Handler. …
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Low 3.5
SourceCodester Zoo Management System animal_form_template.php cross site scripting
A vulnerability has been found in SourceCodester Zoo Management System 1.0 and classified as problematic. This vulnerability affects unknown code of the file /admin/templates/animal_form_template.php. The manipulation of the argument msg leads to cross site s…
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Low 3.5
CodeAstro Simple Hospital Management System POST Parameter doctor.html cross site scripting
A vulnerability classified as problematic was found in CodeAstro Simple Hospital Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /doctor.html of the component POST Parameter Handler. The manipulation of the argume…
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Low 3.5
CodeAstro Simple Hospital Management System POST Parameter patient.html cross site scripting
A vulnerability was found in CodeAstro Simple Hospital Management System 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file /patient.html of the component POST Parameter Handler. The manipulation leads to cross…
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Low 2.4
SourceCodester Best Salon Management System Admin Profile Page admin-profile.php cross site scripting
A vulnerability has been found in SourceCodester Best Salon Management System 1.0 and classified as problematic. This vulnerability affects unknown code of the file /panel/admin-profile.php of the component Admin Profile Page. The manipulation of the argument…
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Low 2.4
SourceCodester Best Salon Management System Update Tax Page edit-tax.php cross site scripting
A vulnerability, which was classified as problematic, was found in SourceCodester Best Salon Management System 1.0. This affects an unknown part of the file /panel/edit-tax.php of the component Update Tax Page. The manipulation of the argument Tax Name leads …
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Low 2.4
SourceCodester Best Salon Management System search-appointment.php cross site scripting
A vulnerability, which was classified as problematic, has been found in SourceCodester Best Salon Management System 1.0. Affected by this issue is some unknown functionality of the file /panel/search-appointment.php. The manipulation leads to cross site scrip…
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Low 2.4
SourceCodester Best Salon Management System Update Staff Page edit_plan.php cross site scripting
A vulnerability classified as problematic was found in SourceCodester Best Salon Management System 1.0. Affected by this vulnerability is an unknown functionality of the file /panel/edit_plan.php of the component Update Staff Page. The manipulation leads to c…
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Low 2.4
SourceCodester Best Salon Management System Update Staff Page edit-staff.php cross site scripting
A vulnerability classified as problematic has been found in SourceCodester Best Salon Management System 1.0. Affected is an unknown function of the file /panel/edit-staff.php of the component Update Staff Page. The manipulation of the argument Staff Name lead…
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Low 2.4
SourceCodester Best Salon Management System Update Customer Details Page edit-customer-detailed.php cross site scripting
A vulnerability was found in SourceCodester Best Salon Management System 1.0. It has been rated as problematic. This issue affects some unknown processing of the file /panel/edit-customer-detailed.php of the component Update Customer Details Page. The manipul…
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Low 2.0
WeGIA allows Stored XSS attacks in novo_memorando.php
WeGIA is a web manager for charitable institutions. An XSS Injection vulnerability was identified in novo_memorando.php. After the memo was submitted, the vulnerability was confirmed by accessing listar_memorandos_antigos.php. Upon loading this page, the inje…
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Low 2.0
WebGia allows Cross-Site Scripting (XSS) in profile_familiar.php via the id_dependente parameter
WeGIA is a web manager for charitable institutions. A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the profile_familiar.php endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scripts in the id_de…
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Low 2.0
WebGia allows Cross-Site Scripting (XSS) in cadastro_dependente_pessoa_nova.php via the id_funcionario parameter
WeGIA is a web manager for charitable institutions. A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the cadastro_dependente_pessoa_nova.php endpoint of the WeGIA application. This vulnerability allows attackers to inject malicious scrip…
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Low 3.5
Portabilis i-Educar Curricular Components Module edit cross site scripting
A vulnerability was found in Portabilis i-Educar 2.9.0. It has been classified as problematic. Affected is an unknown function of the file /module/ComponenteCurricular/edit?id=ID of the component Curricular Components Module. The manipulation of the argument …
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Low 3.5
Portabilis i-Educar Function Management Module educar_funcao_det.php cross site scripting
A vulnerability was found in Portabilis i-Educar 2.9.0 and classified as problematic. This issue affects some unknown processing of the file /intranet/educar_funcao_det.php?cod_funcao=COD&ref_cod_instituicao=COD of the component Function Management Module. Th…
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Low 3.5
Portabilis i-Educar Course Module educar_curso_det.php cross site scripting
A vulnerability has been found in Portabilis i-Educar 2.9.0 and classified as problematic. This vulnerability affects unknown code of the file /intranet/educar_curso_det.php?cod_curso=ID of the component Course Module. The manipulation of the argument Curso l…
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Low 3.5
Portabilis i-Educar School Module educar_escola_lst.php cross site scripting
A vulnerability, which was classified as problematic, was found in Portabilis i-Educar 2.9.0. This affects an unknown part of the file /intranet/educar_escola_lst.php of the component School Module. The manipulation of the argument Escola leads to cross site …
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Low 3.5
Portabilis i-Educar Student Benefits Registration educar_aluno_beneficio_lst.php cross site scripting
A vulnerability, which was classified as problematic, has been found in Portabilis i-Educar 2.9.0. Affected by this issue is some unknown functionality of the file /intranet/educar_aluno_beneficio_lst.php of the component Student Benefits Registration. The ma…
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Low 3.5
Cockpit save cross site scripting
A vulnerability was found in Cockpit up to 2.11.3. It has been rated as problematic. This issue affects some unknown processing of the file /system/users/save. The manipulation of the argument name/email leads to cross site scripting. The attack may be initia…
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Low 3.7
Stored XSS in MintyDocs
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MintyDocs Extension allows Stored XSS.This issue affects Mediawiki - MintyDocs Extension: from 1.43.X before 1.43.2.
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Low 3.5
code-projects Simple Forum forum_edit1.php cross site scripting
A vulnerability, which was classified as problematic, was found in code-projects Simple Forum 1.0. Affected is an unknown function of the file /forum_edit1.php. The manipulation of the argument text leads to cross site scripting. It is possible to launch the …
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Low 2.4
code-projects Food Distributor Site save_settings.php cross site scripting
A vulnerability, which was classified as problematic, was found in code-projects Food Distributor Site 1.0. Affected is an unknown function of the file /admin/save_settings.php. The manipulation of the argument site_phone/site_email/address leads to cross sit…
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Low 3.5
LabRedesCefetRJ WeGIA Cadastro de Funcionário cadastro_funcionario.php cross site scripting
A vulnerability classified as problematic has been found in LabRedesCefetRJ WeGIA 3.4.0. This affects an unknown part of the file /html/funcionario/cadastro_funcionario.php of the component Cadastro de Funcionário. The manipulation of the argument Nome/Sobren…
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Low 3.5
LabRedesCefetRJ WeGIA Adicionar tipo adicionar_tipoSaida.php cross site scripting
A vulnerability was found in LabRedesCefetRJ WeGIA 3.4.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /html/matPat/adicionar_tipoSaida.php of the component Adicionar tipo. The manipulation of the argument…
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Low 3.5
LabRedesCefetRJ WeGIA Adicionar tipo adicionar_tipoEntrada.php cross site scripting
A vulnerability was found in LabRedesCefetRJ WeGIA 3.4.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /html/matPat/adicionar_tipoEntrada.php of the component Adicionar tipo. The manipulation of t…
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Low 3.5
LabRedesCefetRJ WeGIA Cadastro de Atendio Cadastro_Atendido.php cross site scripting
A vulnerability was found in LabRedesCefetRJ WeGIA 3.4.0. It has been classified as problematic. Affected is an unknown function of the file /html/atendido/Cadastro_Atendido.php of the component Cadastro de Atendio. The manipulation of the argument Nome/Sobre…
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Low 3.5
LabRedesCefetRJ WeGIA Additional Categoria adicionar_categoria.php cross site scripting
A vulnerability was found in LabRedesCefetRJ WeGIA 3.4.0 and classified as problematic. This issue affects some unknown processing of the file /html/matPat/adicionar_categoria.php of the component Additional Categoria. The manipulation of the argument Insira …