CVE-2026-74922CWE-345

CVE-2026-74922

Medium · published October 19, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
1.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00117 · 1.6th percentile
Weakness
CWE-345 · Insufficient Verification of Data Authenticity
Published
2026-10-19T11:16Z
References (1)
https://wpscan.com/vulnerability/850aaa4e-82ff-479f-bdcd-6cb8089325bd/ · [email protected]
EPSS history
Timeline
  • 20 OCT 03:33Z
    EPSS moved — → 0%
    epss
  • 19 OCT 06:46Z
    Document Gallery 4.1 - 5.1.1 - Unauthenticated Document Thumbnail Replacement via Thumber Webhook Signature Bypass
    cvelistv5
  • 19 OCT 06:46Z
    Document Gallery 4.1 - 5.1.1 - Unauthenticated Document Thumbnail Replacement via Thumber Webhook Signature Bypass
    cvelistv5