{"id":"CVE-2026-75828","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-75828","summary":"Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss() function where unpaired quotes in unquoted attribute values bypass event-handler detection.…","details":"Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss() function where unpaired quotes in unquoted attribute values bypass event-handler detection. Authenticated editors can inject event handlers like onerror= that pass validation and execute in visitor browsers when page content is rendered.","published":"2026-08-18T12:19:32.690","modified":"2026-08-18T12:19:32.690","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/getgrav/grav/security/advisories/GHSA-vfmf-q6x9-cw96"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/grav-before-stored-xss-via-detectxss-quote-bypass"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T12:19:32.690"}}