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CVE-2026-85598

Grav 2.0.0 through 2.0.17 Stored XSS via Modular Pages

CVSS 4.0 5.1 MEDIUMCVSS 3.1 6.4 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-85598

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85598

Published

grav

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "getgrav",
                    "product": "grav",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "2.0.0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.0.17"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON