Cross-site Scripting (XSS)

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the modular pages process. An attacker can execute arbitrary scripts in the context of administrator or visitor...

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...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

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...

CVE-2026-85598

Grav (a flat-file CMS) versions 2.0.0 through 2.0.17 fail to apply save-time XSS detection to modular pages . Authenticated users with page-edit rights can store Twig-assembled XSS payloads in modular pages that execute in visitor browsers—including administrator sessions —when the parent page is...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

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...

EUVD-2026-71021

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...

CVE-2026-85598 Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

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...

CVE-2026-85598: Improper Neutralization of Input During Web Page Generation

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...

PT-2026-85498

Name of the Vulnerable Software and Affected Versions Grav versions 2.0.0 through 2.0.17 Description Authenticated page editors can store Twig-assembled Cross-Site Scripting XSS payloads because save-time XSS detection is not applied to modular pages. Users with page-edit rights can create modula...