Vulnerability DatabaseCVE-2026-42612
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CVE-2026-42612
Published:May 11, 2026
Updated:May 16, 2026
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.
Affected Packages
https://github.com/getgrav/grav.git (GITHUB):
Affected version(s) >=0.1.0 <2.0.0-beta.2
Fix Suggestion:
Update to version 2.0.0-beta.2
getgrav/grav (PHP):
Affected version(s) >=dev-add-claude-github-actions-1770170196497 <2.0.0-beta.2
Fix Suggestion:
Update to version 2.0.0-beta.2
getgrav/grav (PHP):
Affected version(s) >=dev-add-claude-github-actions-1770170196497 <2.0.0-beta.2
Fix Suggestion:
Update to version 2.0.0-beta.2
Related Resources (4)
https://nvd.nist.gov/vuln/detail/CVE-2026-42612
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663
https://github.com/getgrav/grav
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CVSS v4
Base Score:
8.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.03