CVE-2021-47812

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.

Weakness classification

• disclosure@vulncheck.com: CWE-862

Primary references

• disclosure@vulncheck.com — Product
• disclosure@vulncheck.com — Exploit
• disclosure@vulncheck.com — Third Party Advisory
• 134c704f-9b21-4f2e-91b3-4a467353bcc0 — Exploit