Feed/CVE-2021-47812
CVE-2021-47812CRITICALCVSS 9.8

CVE-2021-47812

Published Jan 15, 2026·Updated Jun 16, 2026

NVD 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.

CVSS Vector

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

References

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