CVE-2026-42612

HIGH SEVERITY

CVSS Score & Metrics

Base Score

8.5 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

May 05, 2026

Last Modified

May 12, 2026

CWE ID

CWE-79

Source

GitHub

Vendor

composer

Product

getgrav/grav

External References

https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663
https://github.com/advisories/GHSA-9695-8fr9-hw5q

CVE-2026-42612

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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