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.
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History
Fri, 16 Jan 2026 22:15:00 +0000
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ssvc
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Fri, 16 Jan 2026 14:15:00 +0000
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Getgrav
Getgrav grav Cms |
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Getgrav
Getgrav grav Cms |
Thu, 15 Jan 2026 23:45:00 +0000
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| 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. | |
| Title | GravCMS 1.10.7 - Arbitrary YAML Write/Update (Unauthenticated) (2) | |
| Weaknesses | CWE-862 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-01-15T23:25:54.327Z
Updated: 2026-01-16T21:11:10.373Z
Reserved: 2026-01-14T17:11:19.894Z
Link: CVE-2021-47812
Updated: 2026-01-16T15:50:11.362Z
Status : Awaiting Analysis
Published: 2026-01-16T00:16:26.460
Modified: 2026-01-16T22:16:15.790
Link: CVE-2021-47812
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