CVE-2026-64628
MEDIUM
5.1
CVSS Severity Score
Vulnerability Description
Grav contains a stored cross-site scripting vulnerability in shortcode-core attribute handlers where the XSS detection scan only matches payloads containing literal angle brackets, allowing shortcode parameters to bypass validation. Attackers with admin.pages permission can inject malicious JavaScript through shortcode attributes that execute in any viewer's browser, including administrators, enabling session hijacking via admin nonce theft.
Affected Platforms (CPE)
No CPE configurations currently published for this record.