{"id":"CVE-2026-63361","aliases":["EUVD-2026-58731","GHSA-r82m-pqrh-phxp"],"status":"published","title":"LimeSurvey Community Edition 7.0.5 - Reflected XSS in HTML editor popup","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.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00529,"percentile":0.45277,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-14T17:04:07Z","modified":"2026-10-28T02:30:52Z","products":[{"vendor":"limesurvey","product":"limesurvey"}],"references":[{"url":"https://fluidattacks.com/es/advisories/mercedes","tags":["third-party-advisory","exploit","advisory"]},{"url":"https://github.com/LimeSurvey/LimeSurvey","tags":["product","package"]},{"url":"https://github.com/LimeSurvey/LimeSurvey/commit/a8993bfd05c4a11255b8400ed9c41a2c22e93aa4","tags":["patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63361","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r82m-pqrh-phxp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63361.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-63361","title":"LimeSurvey Community Edition 7.0.5 - Reflected XSS in HTML editor popup","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.","status":"published","published":"2026-08-14T17:04:07.902Z","modified":"2026-08-26T21:49:33.549Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:55.914391Z"}],"euvd":[{"id":"EUVD-2026-58731","description":"LimeSurvey Community Edition 7.0.5 contains an authenticated reflected cross-site scripting vulnerability in the HTML editor popup endpoint. 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The text and name query parameters are passed through a blacklist sanitizer and then rendered without context-appropriate output encoding.","status":"published","published":"2026-08-14T18:31:40Z","modified":"2026-08-14T18:31:46Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:29.313415Z"}],"nvd":[{"id":"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.","status":"published","published":"2026-08-14T18:18:53.65Z","modified":"2026-08-28T15:31:31.21Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:37.926464Z"}],"osv":[{"id":"CVE-2026-63361","title":"LimeSurvey Community Edition 7.0.5 - Reflected XSS in HTML editor popup","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.","status":"published","published":"2026-08-14T17:04:07.902Z","modified":"2026-10-28T02:30:52.470751827Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:45:13.306117Z"}]}}