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CVE-2026-85598 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:8.7 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CNA: [email protected]CVSS-B:6.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/getgrav/grav/security/advisories/GHSA-fg8g-663r-f366	[email protected]	AdvisoryExploitRemedyVendor
https://www.vulncheck.com/advisories/grav-2.0.0-through-2.0.17-stored-xss-via-modular-pages	[email protected]	Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
Grav	>= 2.0.0, <= 2.0.17 (semver)
CPE cpe:2.3:a:getgrav:grav:::::::: Remediation Upgrade: 2.0.18moderate effort Workaround:low effort Restrict page-edit permissions to trusted accounts, or ensure modular templates emit '{{ content }}' rather than '{{ content\|raw }}'.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 5, 2026	CVE Modified	[email protected]
Sep 4, 2026	New CVE Received	[email protected]