CVE-2026-42612
HIGHGrav: Publisher-Level Stored XSS via Unquoted Event Attributes
Title source: cnaDescription
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.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q
X_Refsource_Misc x_refsource_misc
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663
Scores
CVSS v3
8.5
EPSS
0.0023
EPSS Percentile
13.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (4)
getgrav/grav
2.0.0 beta1
getgrav/grav
< 1.8.0
getgrav/grav
0 - 2.0.0-beta.2Packagist
getgrav/grav
< 2.0.0-beta.2
Published
May 11, 2026
Tracked Since
May 11, 2026