The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any document.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
History
Mon, 19 Oct 2026 07:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The Document Gallery WordPress plugin through 5.1.1 does not verify the signature on one of its unauthenticated webhook endpoints when no shared secret has been configured, which is the default state, allowing unauthenticated users to replace the thumbnail image the site publishes for any document. | |
| Title | Document Gallery 4.1 - 5.1.1 - Unauthenticated Document Thumbnail Replacement via Thumber Webhook Signature Bypass | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-10-19T06:46:16.054Z
Reserved: 2026-08-17T11:27:43.418Z
Link: CVE-2026-74922
No data.
Status : Received
Published: 2026-10-19T07:16:31.760
Modified: 2026-10-19T07:16:31.760
Link: CVE-2026-74922
No data.
OpenCVE Enrichment
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Weaknesses
No weakness.