CVE-2024-27923

Remote Code Execution by uploading a phar file using frontmatter

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.

Affected

getgrav · grav

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.36% chance of exploitation in the next 30 days, 71st percentile

Published

2024-03-06

Updated

2024-08-02

Proof-of-concept exploits (2)

• getgrav/grav/security/advisories/GHSA-f6g2-h7qv-3m5v
• advisories/GHSA-f6g2-h7qv-3m5v

Security advisories

• getgrav/grav/commit/e3b0aa0c502aad251c1b79d1ee973dcd93711f07

References

• CVE Record
• NVD entry