CVE-2026-63361

Description

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.

References

• https://fluidattacks.com/es/advisories/mercedes
• https://github.com/LimeSurvey/LimeSurvey
• https://github.com/LimeSurvey/LimeSurvey/commit/a8993bfd05c4a11255b8400ed9c41a2c22e93aa4
• https://fluidattacks.com/es/advisories/mercedes