{"id":"CVE-2026-91775","title":"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.","summary":"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.","severity":"high","cvss":7.4,"cvssVector":"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","cwe":["CWE-79"],"vendor":"LimeSurvey","product":"LimeSurvey","affected":["LimeSurvey 7.0.14"],"published":"2026-09-23","updated":"2026-09-23","sourceUpdated":"2026-09-23T18:17:11.253","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-91775","references":[{"url":"https://fluidattacks.com/advisories/alone","label":"help@fluidattacks.com"},{"url":"https://github.com/LimeSurvey/LimeSurvey","label":"help@fluidattacks.com"},{"url":"https://github.com/LimeSurvey/LimeSurvey/commit/c96db8093e852eb8b1a2ebbb32478d6fb34cb651","label":"help@fluidattacks.com"},{"url":"https://fluidattacks.com/advisories/alone","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-23T17:43:57.136684Z"},"cvssSource":"cna","ingestedAt":"2026-09-23T17:28:14.861Z","slug":"CVE-2026-91775","body":"## Overview\n\nLimeSurvey fails to safely encode attacker-controlled content from a crafted .lss survey file when displaying import warnings, resulting in XSS in the administrative interface.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":209822,"id":"CVE-2026-91775","ts":1790188236429,"field":"exploit_available","old":"false","new":"true"}]}