What’s Vulnerable › Vulnerabilities

CVE-2025-63238

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-09 · updated 2026-10-15
• Weakness: CWE-79

Description

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.

Affected products

• LimeSurvey: before 6.15.12 — fixed in 6.15.12

How to fix

Upgrade to a fixed version: LimeSurvey 6.15.12. Check the vendor advisory for mitigations.

References

• https://gist.github.com/masquerad3r/f913ab479e8de2ad71987ef98a088fb5
• https://github.com/LimeSurvey/LimeSurvey/commit/80769a677dc82ddb1fcced4af19bd959d583208d

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