LimeSurvey up to 6.15.11 URL QuestionCreate.php getInstance gid cross site scripting

Summaryinfo

A vulnerability was found in LimeSurvey up to 6.15.11. It has been classified as problematic. The impacted element is the function getInstance of the file application/models/QuestionCreate.php of the component URL Handler. The manipulation of the argument gid leads to cross site scripting. This vulnerability is uniquely identified as CVE-2025-63238. The attack is possible to be carried out remotely. No exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in LimeSurvey up to 6.15.11. This issue affects the function getInstance of the file application/models/QuestionCreate.php of the component URL Handler. The manipulation of the argument gid with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. 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. Impacted is integrity. The summary by CVE is:

A Reflected Cross-Site Scripting (XSS) affects LimeSurvey versions prior to 6.15.11+250909, due to the lack of validation of gid parameter in getInstance() function in application/models/QuestionCreate.php. This allows an attacker to craft a malicious URL and compromise the logged in user.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-63238 since 10/27/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:application/models/QuestionCreate.php it is possible to find vulnerable targets with Google Hacking.

Applying the patch 80769a677dc82ddb1fcced4af19bd959d583208d is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Survey Software

Name

• LimeSurvey

Version

• 6.15.0
• 6.15.1
• 6.15.2
• 6.15.3
• 6.15.4
• 6.15.5
• 6.15.6
• 6.15.7
• 6.15.8
• 6.15.9
• 6.15.10
• 6.15.11

License

• open-source

Website

• Product: https://github.com/LimeSurvey/LimeSurvey/

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