CVE-2026-75828: Grav before 2.0.15 contains a stored cross-site scripting vulnerability in the detectXss()
HIGHCritical vulnerability — CVSS 8.7
What to do
- Critical severity — schedule an urgent patch.
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.
CVE · detail
- CVE-2026-75828nvd ↗EPSS 0.34%
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