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CVE-2026-64851 Grav Shortcode Core Plugin: Stored XSS in shortcode-core attribute handlers

🗓️ 19 Aug 2026 15:56:43Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Grav Shortcode Core before 6.2.2 passes attacker-controlled shortcode attributes through Security::detectXss() and concatenates them unencoded into HTML, enabling stored XSS by users with admin.pages permission.

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20 Aug 2026 03:54Current
5Medium risk
Vulners AI Score5
CVSS 48.5
2