Weakness (CWE)
CWE-94: Improper Control of Generation of Code
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.
How to prevent it (7 mitigations)
-
Architecture and Design
Refactor your program so that you do not have to dynamically generate code.
-
Architecture and Design
Run your code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which code can be executed by your product.
Examples include the Unix chroot jail and AppArmor. In general, managed code may provide some protection.
This may not be a feasible solution, and it only limits the impact to the operating system; the rest of your application may still be subject to compromise.
Be careful to avoid CWE-243 and other weaknesses related to jails.
-
Implementation
Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
To reduce the likelihood of code injection, use stringent allowlists that limit which constructs are allowed. If you are dynamically constructing code that invokes a function, then verifying that the input is alphanumeric might be insufficient. An attacker might still be able to reference a dangerous function that you did not intend to allow, such as system(), exec(), or exit().
-
Testing
Use dynamic tools and techniques that interact with the product using large test suites with many diverse inputs, such as fuzz testing (fuzzing), robustness testing, and fault injection. The product's operation may slow down, but it should not become unstable, crash, or generate incorrect results.
-
Operation
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
-
Operation
Run the code in an environment that performs automatic taint propagation and prevents any command execution that uses tainted variables, such as Perl's "-T" switch. This will force the program to perform validation steps that remove the taint, although you must be careful to correctly validate your inputs so that you do not accidentally mark dangerous inputs as untainted (see CWE-183 and CWE-184).
-
Implementation
For Python programs, it is frequently encouraged to use the ast.literal_eval() function instead of eval, since it is intentionally designed to avoid executing code. However, an adversary could still cause excessive memory or stack consumption via deeply nested structures [REF-1372], so the python documentation discourages use of ast.literal_eval() on untrusted data [REF-1373].
Source: MITRE CWE-94
5,300 results · Feed
-
Low 2.4
Campcodes School Management Software Create Id Card Page create-id-card cross site scripting
A vulnerability, which was classified as problematic, has been found in Campcodes School Management Software 1.0. This issue affects some unknown processing of the file /create-id-card of the component Create Id Card Page. The manipulation of the argument ID …
-
Medium 4.3
Hyland Alfresco Community Edition URL s cross site scripting
A vulnerability classified as problematic has been found in Hyland Alfresco Community Edition and Alfresco Enterprise Edition up to 6.2.2. This affects an unknown part of the file /share/s/ of the component URL Handler. The manipulation leads to cross site sc…
-
High 8.1
Potential RCE with a compromised security key in craft/cms
Craft is a flexible, user-friendly CMS for creating custom digital experiences on the web and beyond. This is an remote code execution (RCE) vulnerability that affects Craft 4 and 5 installs where your security key has already been compromised. Anyone running…
KEV Feb 20, 2025 -
Low 3.5
code-projects Tourism Management System manage-pages.php cross site scripting
A vulnerability, which was classified as problematic, was found in code-projects Tourism Management System 1.0. Affected is an unknown function of the file /admin/manage-pages.php. The manipulation of the argument pgedetails leads to cross site scripting. It …
-
Low 2.4
code-projects Car Rental Management System manage-pages.php cross site scripting
A vulnerability, which was classified as problematic, has been found in code-projects Car Rental Management System 1.0. This issue affects some unknown processing of the file /admin/manage-pages.php. The manipulation of the argument pgdetails leads to cross s…
-
Low 3.5
code-projects Job Recruitment _feedback_system.php cross site scripting
A vulnerability has been found in code-projects Job Recruitment 1.0 and classified as problematic. This vulnerability affects unknown code of the file /_parse/_feedback_system.php. The manipulation of the argument type leads to cross site scripting. The attac…
-
Medium 5.4
Motors – Car Dealer, Classifieds & Listing <= 1.4.43 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via Custom Title
The The Motors – Car Dealer, Classifieds & Listing plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.4.43. This is due to the software allowing users to execute an action that does not properly validat…
-
Critical 9.8
RE11S v1.11 was discovered to contain a command injection vulnerability via the L2TPUserName parameter at /goform/setWA…
-
Critical 9.8
RE11S v1.11 was discovered to contain a command injection vulnerability via the command parameter at /goform/mp.
-
Low 3.5
Fanli2012 native-php-cms sysconfig_doedit.php cross site scripting
A vulnerability was found in Fanli2012 native-php-cms 1.0. It has been classified as problematic. Affected is an unknown function of the file /fladmin/sysconfig_doedit.php. The manipulation of the argument info leads to cross site scripting. It is possible to…
-
High 7.8
The issue was addressed with improved checks. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.…
-
Low 3.5
Fanli2012 native-php-cms jump.php cross site scripting
A vulnerability has been found in Fanli2012 native-php-cms 1.0 and classified as problematic. This vulnerability affects unknown code of the file /fladmin/jump.php. The manipulation of the argument message/error leads to cross site scripting. The attack can b…
-
Critical 9.0
Mongoose search injection vulnerability
Mongoose before 8.9.5 can improperly use a nested $where filter with a populate() match, leading to search injection. NOTE: this issue exists because of an incomplete fix for CVE-2024-53900.
-
Critical 9.8CVE-2025-22968 Public exploit
An issue in D-Link DWR-M972V 1.05SSG allows a remote attacker to execute arbitrary code via SSH using root account with…
-
Critical 9.1CVE-2024-49375 Public exploit
Remote Code Execution via Remote Model Loading in Rasa
Open source machine learning framework. A vulnerability has been identified in Rasa that enables an attacker who has the ability to load a maliciously crafted model remotely into a Rasa instance to achieve Remote Code Execution. The prerequisites for this are…
-
High 8.8
Windows Search Service Elevation of Privilege Vulnerability
Windows Search Service Elevation of Privilege Vulnerability
-
High 7.8
Microsoft Power Automate Remote Code Execution Vulnerability
Microsoft Power Automate Remote Code Execution Vulnerability
-
High 7.2
Authenticated Remote Code Execution in AOS Web-based Management Interface
An authenticated parameter injection vulnerability exists in the web-based management interface of the AOS-8 and AOS-10 Operating Systems. Successful exploitation could allow an authenticated user to leverage parameter injection to overwrite arbitrary system …
-
Low 2.4
SourceCodester Task Reminder System Maintenance Section cross site scripting
A vulnerability was found in SourceCodester Task Reminder System 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Maintenance Section. The manipulation of the argument System Name leads to c…
-
Medium 4.3
Virtual Computer Vysual RH Solution Login Panel index.php cross site scripting
A vulnerability classified as problematic was found in Virtual Computer Vysual RH Solution 2024.12.1. Affected by this vulnerability is an unknown functionality of the file /index.php of the component Login Panel. The manipulation of the argument page leads t…
-
Medium 6.5
Multiple vulnerabilities in SAP BusinessObjects Business Intelligence Platform
SAP BusinessObjects Business Intelligence Platform allows an authenticated user with restricted access to inject malicious JS code which can read sensitive information from the server and send it to the attacker. The attacker could further use this informatio…
-
High 8.7
A remote code execution (RCE) vulnerability in Arcadyan Meteor 2 CPE FG360 Firmware ETV2.10 allows attackers to execute…
-
High 7.4
ECOVACS Robotics Deebot T20 OMNI and T20e OMNI before 1.24.0 was discovered to contain a WiFi Remote Code Execution vul…
-
Medium 6.5CVE-2024-57487 Public exploit
In Code-Projects Online Car Rental System 1.0, the file upload feature does not validate file extensions or MIME types …
-
Medium 6.5
MonicaHQ v4.1.2 was discovered to contain a Client-Side Injection vulnerability via the last_name parameter the General…
-
Low 2.4
StarSea99 starsea-mall update cross site scripting
A vulnerability was found in StarSea99 starsea-mall 1.0. It has been rated as problematic. This issue affects some unknown processing of the file /admin/categories/update. The manipulation of the argument categoryName leads to cross site scripting. The attack…
-
Low 2.4
longpi1 warehouse Backend updateInport cross site scripting
A vulnerability has been found in longpi1 warehouse 1.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /resources/..;/inport/updateInport of the component Backend. The manipulation of the argument remark …
-
Low 3.5
reckcn SPPanAdmin edit cross site scripting
A vulnerability, which was classified as problematic, was found in reckcn SPPanAdmin 1.0. Affected is an unknown function of the file /;/admin/role/edit. The manipulation of the argument name leads to cross site scripting. It is possible to launch the attack …
-
High 8.1
The administrator is able to configure an insecure captive portal script
The administrator is able to configure an insecure captive portal script
-
Critical 9.4
Improper Path Validation Enables Path Traversal in Multiple Components in Atheos
Atheos is a self-hosted browser-based cloud IDE. Prior to v600, the $path and $target parameters are not properly validated across multiple components, allowing an attacker to read, modify, or execute arbitrary files on the server. These vulnerabilities can b…
-
Medium 5.4
MonicaHQ v4.1.1 was discovered to contain an authenticated Client-Side Injection vulnerability via the entry text field…
-
High 8.8
MonicaHQ v4.1.2 was discovered to contain multiple authenticated Client-Side Injection vulnerabilities via the title an…
-
Low 3.5
CampCodes DepEd Equipment Inventory System add_employee.php cross site scripting
A vulnerability was found in CampCodes DepEd Equipment Inventory System 1.0. It has been rated as problematic. This issue affects some unknown processing of the file /data/add_employee.php. The manipulation of the argument data leads to cross site scripting. …
-
Low 3.5
CampCodes Computer Laboratory Management System edit cross site scripting
A vulnerability, which was classified as problematic, was found in CampCodes Computer Laboratory Management System 1.0. This affects an unknown part of the file /class/edit/edit. The manipulation of the argument s_lname leads to cross site scripting. It is po…
-
Low 3.5
code-projects Online Bike Rental HTTP GET Request vehical-details.php cross site scripting
A vulnerability classified as problematic has been found in code-projects Online Bike Rental 1.0. Affected is an unknown function of the file /vehical-details.php of the component HTTP GET Request Handler. The manipulation leads to cross site scripting. It is…
-
Low 3.5
SingMR HouseRent toAdminUpdateHousePage cross site scripting
A vulnerability classified as problematic was found in SingMR HouseRent 1.0. This vulnerability affects unknown code of the file /toAdminUpdateHousePage?hID=30. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit …
-
Low 2.4
Redaxo CMS Structure Management Page index.php cross site scripting
A vulnerability was found in Redaxo CMS 5.18.1. It has been classified as problematic. Affected is an unknown function of the file /index.php?page=structure&category_id=1&article_id=1&clang=1&function=edit_art&artstart=0 of the component Structure Management …
-
Low 2.4
kurniaramadhan E-Commerce-PHP Create Product Page create_product.php cross site scripting
A vulnerability was found in kurniaramadhan E-Commerce-PHP 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /admin/create_product.php of the component Create Product Page. The manipulation of the argument…
-
Low 2.4
wander-chu SpringBoot-Blog Blog Article PageController.java modifiyArticle cross site scripting
A vulnerability was found in wander-chu SpringBoot-Blog 1.0 and classified as problematic. This issue affects the function modifiyArticle of the file src/main/java/com/my/blog/website/controller/admin/PageController.java of the component Blog Article Handler.…
-
Low 3.5
langhsu Mblog Blog System Search Bar search cross site scripting
A vulnerability classified as problematic was found in langhsu Mblog Blog System 3.5.0. Affected by this vulnerability is an unknown functionality of the file /search of the component Search Bar. The manipulation of the argument kw leads to cross site scripti…