Description

GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.

INFO

Published Date :

2026-01-15T23:25:54.327Z

Last Modified :

2026-01-16T21:11:10.373Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2021-47812 vulnerability.

Vendors Products
Getgrav
  • Grav Cms
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2021-47812.

URL Resource
https://getgrav.org cve-icon cve-icon
https://www.exploit-db.com/exploits/49973 cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/gravcms-arbitrary-yaml-writeupdate-unauthenticated cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact