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Status published
High
CVE-2024-27923
Remote Code Execution by uploading a phar file using frontmatter
Vulnerability Description
Grav is a content management system (CMS). Prior to version 1.7.43, users who may write a page may use the `frontmatter` feature due to insufficient permission validation and inadequate file name validation. This may lead to remote code execution. Version 1.7.43 fixes this issue.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
getgrav
View all reports →Affected Software
grav
Vulnerable Versions:
< 1.7.43
Timeline
Official Publish:
March 6th, 2024
Last Modified:
August 2nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
MITRE ATT&CK TTPs
T1190
Exploit Public-Facing Application
Initial Access
T1078
Valid Accounts
Persistence
T1556
Modify Authentication Process
Credential Access
T1505.003
Web Shell
Persistence
T1105
Ingress Tool Transfer
Command and Control
T1059
Command and Scripting Interpreter
Execution
T1565.002
Stored Data Manipulation
Impact