MinorCritical vulnerability

CVE-2026-91775 (CVSS 7.4)

NVD · officialPublished Sep 23, 2026Risk 23/100EPSS 0.4%

LimeSurvey fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.

Technical details

CVSS

7.4

AV:NetworkAC:LowPR:NoneUI:Active

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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