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CVE-2025-66297
Good to know:
Date: December 1, 2025
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.
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Improper Neutralization of Special Elements Used in a Template Engine
CWE-1336Top Fix
Upgrade Version
Upgrade to version getgrav/grav - 1.8.0-beta.27;https://github.com/getgrav/grav.git - 1.8.0-beta.27
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |