CVE-2025-63238

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p14

Published

Apr 9, 2026 (Apr 9, 2026)

Modified

Jun 17, 2026

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.

Vendors: limesurvey
Products: limesurvey
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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