CVE-2026-42612

Name: CVE-2026-42612
Creator: NVD / NIST
Published: 2026-05-11T16:17:34.35+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2026-42612 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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 3.1

5.4/10

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

EPSS Probability

0.24%

14.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Getgrav	Grav	<= 1.8.0	—
Getgrav	Grav	2.0.0	Beta1

References

https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663Patch
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5qExploit, Patch, Vendor Advisory
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5qExploit, Patch, Vendor Advisory

Timeline

Published: May 11, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42612?

How severe is CVE-2026-42612?

CVE-2026-42612 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42612?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42612?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST