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.
Published: 2026-10-19
Score: 5.3 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 19 Oct 2026 08:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-287

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
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-19T06:46:16.054Z

Reserved: 2026-08-17T11:27:43.418Z

Link: CVE-2026-74922

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T07:16:31.760

Modified: 2026-10-19T07:16:31.760

Link: CVE-2026-74922

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T08:30:13Z

Weaknesses