Vulnerability · Published Sep 23, 2026 · Assigned by Fluid Attacks
CVE-2026-91775LimeSurvey Community Edition 7.0.14 - Reflected XSS through unescaped LSS survey-import warnings
High 7.4
In plain English
A high-severity cross-site scripting in LimeSurvey from LimeSurvey. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 4.0)7.4High
Exploit odds (30 days)0.5%top 55.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
LimeSurvey Community Edition 7.0.14 fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| LimeSurvey | LimeSurvey | 7.0.14 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N