High severity · published Aug 14, 2026
CVE-2026-63361
LimeSurvey Community Edition 7.0.5 - Reflected XSS in HTML editor popup
8.5
CVSS
0.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
LimeSurvey · LimeSurvey
7.0.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-63361
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-63361
fluidattacks.com
https://fluidattacks.com/es/advisories/mercedes
github.com
https://github.com/LimeSurvey/LimeSurvey
github.com
https://github.com/LimeSurvey/LimeSurvey/commit/a8993bfd05c4a11255b8400ed9c41a2c22e93aa4
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