XSS in Limesurvey
CVE-2026-63361
LimeSurvey Community Edition 7.0.5 contains an authenticated reflected cross-site scripting vulnerability in the HTML editor popup endpoint. The text and name query parameters are passed through a blacklist sanitizer and then rendered without context-appropriate output encoding.
Vulnerability class: XSS (Cross-Site Scripting)
Affected products
- Limesurvey — versions 7.0.5
Weakness classification (CWE)
References
- help@fluidattacks.com (third-party-advisory)
- help@fluidattacks.com (product)
- help@fluidattacks.com (patch)