CVE-2026-85598
CVE-2026-85598
Grav versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages, allowing authenticated page editors to store Twig-assembled XSS payloads. Attackers with page-edit rights can create modular pages with malicious Twig code that executes in visitor browsers when the parent page is rendered, including in administrator sessions.
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85598?
- CVE-2026-85598 is a medium-severity vulnerability, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-09-04.
- How severe is CVE-2026-85598?
- Medium severity. CVSS v3 base score is 6.4 out of 10.