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CVE-2025-66301

Grav ihas Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

Published: Dec 1, 2025Updated: Dec 3, 2025 Sources: CVE List NVD GHSACWE-285
NVD MITRE
9.6CVSSCRITICAL
EPSS Score
1.2%
Top 35.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Grav has Broken Access Control which allows an Editor to modify the page's YAML Frontmatter to alter form processing actions

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-285

Affected Products

getgrav/gravPackagistOSS Libraries
gravgetgrav
On-premCMS Plugin
Web & CMS Plugins / cms-core
packagistpackage-ecosystemOSS Libraries
getgravoss-projectWeb & CMS Pluginsaka grav, grav-plugin-admin, getgrav/grav

Exploitability

Official Patch Available

References

https://github.com/getgrav/grav/security/advisories/GHSA-v8x2-fjv7-8hjh
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-66301
nvd.nist.gov
https://github.com/getgrav/grav
github.com

Timeline

Published
Dec 1, 2025
Last Updated
Dec 3, 2025

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