CVE-2026-42612 HIGH

CVE-2026-42612: Grav: Publisher-Level Stored XSS via Unquoted Event Attributes

Vendor Getgrav
Product grav
Weakness CWE-79 · XSS
Published May 11, 2026
Last update May 11, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 11, 2026 CVE published
May 11, 2026 Record updated