CVE-2026-75834

Grav CMS before 2.0.14 contains a stored cross-site scripting vulnerability in the Security::detectXss() function (system/src/Grav/Common/Security.php). All XSS detection patterns use the PCRE /u (UTF-8) modifier, so a single invalid UTF-8 byte anywhere in page content causes preg_match() to retu...

PT-2026-76934

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.14 Description A stored cross-site scripting issue exists in the Security::detectXss function located in system/src/Grav/Common/Security.php. The XSS detection patterns utilize the PCRE /u UTF-8 modifier, which cause...