What is CVE-2025-63238?

CVE-2025-63238 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-09.

How severe is CVE-2025-63238?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Limesurvey

CVE-2025-63238

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Limesurvey
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Patch)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63238?: CVE-2025-63238 is a medium-severity vulnerability in Limesurvey, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-04-09.
How severe is CVE-2025-63238?: Medium severity. CVSS v3 base score is 6.1 out of 10.