CVE-2025-63238 Cross-site scripting in n/a

Medium 6.1 Published Updated

Reflected XSS in LimeSurvey allows attackers to compromise logged-in users via malicious URLs due to insufficient validation of the gid parameter.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-63238?

CVE-2025-63238 is a medium-severity cross-site scripting vulnerability in Limesurvey Limesurvey, published on 9 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-63238?

It affects 1 product.

Products include Limesurvey Limesurvey.

How do I fix CVE-2025-63238?

No fix has been published for CVE-2025-63238 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-63238 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63238 exists.

All Limesurvey Limesurvey vulnerabilities

Sources

Also known as GHSA-5cw5-4v8j-xgrw.

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