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CVE-2026-42612 Details

Description

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.4 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:8.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/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-9695-8fr9-hw5q	CISA-ADP	ExploitPatchVendor Advisory
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663	[email protected]	Patch
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q	[email protected]	ExploitPatchVendor 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
getgrav grav	<= 1.8.0 2.0.0 beta1
CPE cpe:2.3:a:getgrav:grav:::::::: cpe:2.3:a:getgrav:grav:2.0.0:beta1:::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
May 12, 2026	Initial Analysis	[email protected]
May 11, 2026	CVE Modified	CISA-ADP
May 11, 2026	New CVE Received	[email protected]