CVE-2025-66297

Grav is a file-based Web platform. Prior to 1.8.0-beta.27, a user with admin panel access and permissions to create or edit pages in Grav CMS can enable Twig processing in the page frontmatter. By injecting malicious Twig expressions, the user can escalate their privileges to admin or execute arbitrary system commands via the scheduler API. This results in both Privilege Escalation (PE) and Remote Code Execution (RCE) vulnerabilities. This vulnerability is fixed in 1.8.0-beta.27.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub_MCNA
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
VendorProductVersion
getgravgrav
𝑥
< 1.8.0
getgravgrav
1.8.0:beta1
getgravgrav
1.8.0:beta10
getgravgrav
1.8.0:beta11
getgravgrav
1.8.0:beta12
getgravgrav
1.8.0:beta13
getgravgrav
1.8.0:beta14
getgravgrav
1.8.0:beta15
getgravgrav
1.8.0:beta16
getgravgrav
1.8.0:beta17
getgravgrav
1.8.0:beta18
getgravgrav
1.8.0:beta19
getgravgrav
1.8.0:beta2
getgravgrav
1.8.0:beta20
getgravgrav
1.8.0:beta21
getgravgrav
1.8.0:beta22
getgravgrav
1.8.0:beta23
getgravgrav
1.8.0:beta24
getgravgrav
1.8.0:beta25
getgravgrav
1.8.0:beta26
getgravgrav
1.8.0:beta3
getgravgrav
1.8.0:beta4
getgravgrav
1.8.0:beta5
getgravgrav
1.8.0:beta6
getgravgrav
1.8.0:beta7
getgravgrav
1.8.0:beta8
getgravgrav
1.8.0:beta9
𝑥
= Vulnerable software versions