What is CVE-2026-74922?

CVE-2026-74922 is a medium-severity vulnerability in Document Gallery, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-10-19.

How severe is CVE-2026-74922?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Document Gallery

CVE-2026-74922

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 · last modified 2026-10-19.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Document Gallery

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

wpscan.com/vulnerability/850aaa4e-82ff-479f-bdcd-6cb8089325bd/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-74922?: CVE-2026-74922 is a medium-severity vulnerability in Document Gallery, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.3/10. Published 2026-10-19.
How severe is CVE-2026-74922?: Medium severity. CVSS v3 base score is 5.3 out of 10.