Medium severity · published May 11, 2026
CVE-2026-42612
Grav: Publisher-Level Stored XSS via Unquoted Event Attributes
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
grav · getgrav
< 2.0.0-beta.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-42612
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-42612
Patch
https://github.com/getgrav/grav/commit/5a12f9be8314682c8713e569e330f11805d0a663
Exploit
https://github.com/getgrav/grav/security/advisories/GHSA-9695-8fr9-hw5q
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