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 2.4
SourceCodester Student Result Management System Profile Setting Page update_profile cross site scripting
A vulnerability, which was classified as problematic, was found in SourceCodester Student Result Management System 1.0. This affects an unknown part of the file /script/academic/core/update_profile of the component Profile Setting Page. The manipulation leads…
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Low 3.5
SoluçõesCoop iSoluçõesWEB Flow fluxos-dashboard cross site scripting
A vulnerability was found in SoluçõesCoop iSoluçõesWEB up to 20250519 and classified as problematic. Affected by this issue is some unknown functionality of the file /fluxos-dashboard of the component Flow Handler. The manipulation of the argument Descrição d…
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Low 2.4
code-projects Traffic Offense Reporting System Setting save-settings.php cross site scripting
A vulnerability, which was classified as problematic, was found in code-projects Traffic Offense Reporting System 1.0. This affects an unknown part of the file /save-settings.php of the component Setting Handler. The manipulation of the argument site_name lea…
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Low 3.5
code-projects Traffic Offense Reporting System saveuser.php cross site scripting
A vulnerability, which was classified as problematic, has been found in code-projects Traffic Offense Reporting System 1.0. This issue affects some unknown processing of the file saveuser.php. The manipulation of the argument user_id/username/email/name/posit…
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Low 3.5
SourceCodester Food Menu Manager Add Menu index.php cross site scripting
A vulnerability, which was classified as problematic, has been found in SourceCodester Food Menu Manager 1.0. Affected by this issue is some unknown functionality of the file /index.php of the component Add Menu Handler. The manipulation of the argument name/…
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Low 2.4
PHPGurukul Hospital Management System POST Parameter edit-patient.php cross site scripting
A vulnerability was found in PHPGurukul Hospital Management System 4.0. It has been classified as problematic. Affected is an unknown function of the file /doctor/edit-patient.php?editid=2 of the component POST Parameter Handler. The manipulation of the argum…
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Low 2.4
TOTOLINK X2000R Parent Controls Page cross site scripting
A vulnerability was found in TOTOLINK X2000R 1.0.0-B20230726.1108. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Parent Controls Page. The manipulation of the argument Device Name leads to cro…
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Low 2.4
TOTOLINK X2000R Virtual Server Page formPortFw cross site scripting
A vulnerability was found in TOTOLINK X2000R 1.0.0-B20230726.1108. It has been classified as problematic. Affected is an unknown function of the file /boafrm/formPortFw of the component Virtual Server Page. The manipulation of the argument service_type leads …
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Low 3.5
enilu web-flash File Upload upload fileService.upload cross site scripting
A vulnerability classified as problematic has been found in enilu web-flash 1.0. This affects the function fileService.upload of the file src/main/java/cn/enilu/flash/api/controller/FileController/upload of the component File Upload. The manipulation of the a…
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Low 2.4
TOTOLINK X2000R URL Filtering Page formFilter cross site scripting
A vulnerability, which was classified as problematic, was found in TOTOLINK X2000R 1.0.0-B20230726.1108. This affects an unknown part of the file /boafrm/formFilter of the component URL Filtering Page. The manipulation of the argument URL Address leads to cro…
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Low 3.5
quequnlong shiyi-blog add cross site scripting
A vulnerability has been found in quequnlong shiyi-blog up to 1.2.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /dev-api/api/comment/add. The manipulation of the argument content leads to cross site sc…
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Low 2.4
TOTOLINK A3002RU IP Port Filtering Page cross site scripting
A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011. It has been rated as problematic. Affected by this issue is some unknown functionality of the component IP Port Filtering Page. The manipulation of the argument Comment leads to cross site sc…
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Low 2.4
TOTOLINK A3002RU MAC Filtering Page cross site scripting
A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component MAC Filtering Page. The manipulation of the argument Comment leads to cross si…
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Low 2.4
TOTOLINK A3002RU NAT Mapping Page cross site scripting
A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011. It has been classified as problematic. Affected is an unknown function of the component NAT Mapping Page. The manipulation of the argument Comment leads to cross site scripting. It is possibl…
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Low 2.4
TOTOLINK A3002RU Virtual Server Page formPortFw cross site scripting
A vulnerability was found in TOTOLINK A3002RU 2.1.1-B20230720.1011 and classified as problematic. This issue affects some unknown processing of the file /boafrm/formPortFw of the component Virtual Server Page. The manipulation of the argument service_type lea…
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Low 3.5
juzaweb CMS Profile Page upload cross site scripting
A vulnerability classified as problematic was found in juzaweb CMS up to 3.4.2. Affected by this vulnerability is an unknown functionality of the file /admin-cp/file-manager/upload of the component Profile Page. The manipulation of the argument Upload leads t…
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Low 3.5
Mist Community Edition Authentication Endpoint views.py login cross site scripting
A vulnerability classified as problematic has been found in Mist Community Edition up to 4.7.1. Affected is the function Login of the file src/mist/api/views.py of the component Authentication Endpoint. The manipulation of the argument return_to leads to cros…
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Low 3.5
Mist Community Edition views.py tag_resources cross site scripting
A vulnerability was found in Mist Community Edition up to 4.7.1. It has been rated as problematic. This issue affects the function tag_resources of the file src/mist/api/tag/views.py. The manipulation of the argument tag leads to cross site scripting. The att…
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Low 2.4
chaitak-gorai Blogbook register_script.php cross site scripting
A vulnerability has been found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /register_script.php. The manipulation of the argumen…
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Low 3.5
chaitak-gorai Blogbook post.php cross site scripting
A vulnerability, which was classified as problematic, has been found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513. This issue affects some unknown processing of the file /post.php. The manipulation of the argument comment_author/co…
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Low 2.4
Yifang CMS Article Management Module cross site scripting
A vulnerability was found in Yifang CMS up to 2.0.2 and classified as problematic. Affected by this issue is some unknown functionality of the component Article Management Module. The manipulation of the argument Default Value leads to cross site scripting. T…
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Low 3.5
Summer Pearl Group Vacation Rental Management Platform updateListing cross site scripting
A vulnerability, which was classified as problematic, was found in Summer Pearl Group Vacation Rental Management Platform up to 1.0.1. This affects an unknown part of the file /spgpm/updateListing. The manipulation of the argument spgLsTitle leads to cross si…
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Low 2.4
Realce Tecnologia Queue Ticket Kiosk Cadastro de Administrador Page index.php cross site scripting
A vulnerability classified as problematic was found in Realce Tecnologia Queue Ticket Kiosk up to 20250517. Affected by this vulnerability is an unknown functionality of the file /adm/index.php of the component Cadastro de Administrador Page. The manipulation…
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Low 3.5
CMS Made Simple Design Manager Module cross site scripting
A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.21. This issue affects some unknown processing of the component Design Manager Module. The manipulation of the argument Description leads to cross site scripting. The …
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Low 3.5
Bitwarden PDF File cross site scripting
A vulnerability was found in Bitwarden up to 2.25.1. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component PDF File Handler. The manipulation leads to cross site scripting. The attack can be launched …
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Low 2.4
Tmall Demo Product Details Page admin cross site scripting
A vulnerability, which was classified as problematic, has been found in Tmall Demo up to 20250505. Affected by this issue is some unknown functionality of the file /tmall/admin/ of the component Product Details Page. The manipulation of the argument Product N…
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Low 3.5
Tmall Demo Buy Item Page cross site scripting
A vulnerability classified as problematic was found in Tmall Demo up to 20250505. Affected by this vulnerability is an unknown functionality of the component Buy Item Page. The manipulation of the argument Detailed Address leads to cross site scripting. The a…
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Low 3.5
Teledyne FLIR AX8 prod.php cross site scripting
A vulnerability was determined in Teledyne FLIR AX8 up to 1.46.16. This issue affects some unknown processing of the file /prod.php. Executing manipulation of the argument cmd can lead to cross site scripting. The attack may be launched remotely. The exploit …
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Low 2.4
XSS in Proget MDM
Input provided in a field containing "activationMessage" in Konsola Proget is not sanitized correctly, allowing a high-privileged user to perform a Stored Cross-Site Scripting attack. This issue has been fixed in 2.17.5 version of Konsola Proget (server part …
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Low 2.4
XSS in Proget MDM
Input provided in comment section of Konsola Proget is not sanitized correctly, allowing a high-privileged user to perform a Stored Cross-Site Scripting attack. This issue has been fixed in 2.17.5 version of Konsola Proget (server part of the MDM suite).
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Low 2.4
moonlightL hexo-boot Dynamic List Page index.html cross site scripting
A vulnerability classified as problematic was found in moonlightL hexo-boot 4.3.0. This vulnerability affects unknown code of the file /admin/home/index.html of the component Dynamic List Page. The manipulation leads to cross site scripting. The attack can be…
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Low 2.4
moonlightL hexo-boot Blog Backend index.html cross site scripting
A vulnerability classified as problematic has been found in moonlightL hexo-boot 4.3.0. This affects an unknown part of the file /admin/home/index.html of the component Blog Backend. The manipulation of the argument Description leads to cross site scripting. …
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Low 3.5
Part-DB Profile Picture Feature AttachmentSubmitHandler.php handleUpload cross site scripting
A vulnerability was found in Part-DB up to 1.17.0. It has been declared as problematic. Affected by this vulnerability is the function handleUpload of the file src/Services/Attachments/AttachmentSubmitHandler.php of the component Profile Picture Feature. The …
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Low 2.4
Intelbras RF 301K Add Static IP cross site scripting
A vulnerability, which was classified as problematic, has been found in Intelbras RF 301K 1.1.5. This issue affects some unknown processing of the component Add Static IP. The manipulation of the argument Description leads to cross site scripting. The attack …
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Low 2.4
D-Link DAP-2695 Static Pool Settings Page adv_dhcps.php cross site scripting
A vulnerability classified as problematic has been found in D-Link DAP-2695 120b36r137_ALL_en_20210528. Affected is an unknown function of the file /adv_dhcps.php of the component Static Pool Settings Page. The manipulation of the argument f_mac leads to cros…
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Low 2.4
D-Link DAP-2695 MAC Bypass Settings Page adv_macbypass.php cross site scripting
A vulnerability was found in D-Link DAP-2695 120b36r137_ALL_en_20210528. It has been rated as problematic. This issue affects some unknown processing of the file /adv_macbypass.php of the component MAC Bypass Settings Page. The manipulation of the argument f_…
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Low 2.4
D-Link DAP-2695 ARP Spoofing Prevention Page adv_arpspoofing.php cross site scripting
A vulnerability was found in D-Link DAP-2695 120b36r137_ALL_en_20210528. It has been declared as problematic. This vulnerability affects unknown code of the file /adv_arpspoofing.php of the component ARP Spoofing Prevention Page. The manipulation of the argum…
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Low 2.4
TOTOLINK A3002R VPN Page cross site scripting
A vulnerability, which was classified as problematic, has been found in TOTOLINK A3002R 2.1.1-B20230720.1011. This issue affects some unknown processing of the component VPN Page. The manipulation of the argument Comment leads to cross site scripting. The att…
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Low 2.1CVE-2025-47931 EPSS 10%
LibreNMS stored Cross-site Scripting vulnerability in poller group name
LibreNMS is PHP/MySQL/SNMP based network monitoring software. LibreNMS v25.4.0 and prior suffers from a Stored Cross-Site Scripting (XSS) Vulnerability in the `group name` parameter of the `http://localhost/poller/groups` form. This vulnerability allows attac…
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Low 2.0
Cross-site scripting (XSS) vulnerability in IceWarp Mail Server
Cross-site scripting (XSS) in Icewarp Mail Server affecting version 11.4.0. This vulnerability allows an attacker to modify the “lastLogin” cookie with malicious JavaScript code that will be executed when the page is rendered.