CVE-2026-75828
HIGH
NVD
CVSS Score
8.7
Severity
HIGH
Published
Aug 18, 2026
Vendor
unknown
Description
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.