Auth bypass in Contest Gallery
CVE-2026-16057
The Contest Gallery WordPress plugin before 30.0.7 does not perform per-object capability or nonce checks in one of its post-deletion handlers, gating it only by a coarse role-membership test, which allows any Author-level or higher user to permanently delete arbitrary posts, pages, and other content they do not own.
Vulnerability class: Broken Access Control
EPSS: 0.002 (14.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.
Affected products
- Unknown Contest Gallery — versions 0
Weakness classification (CWE)
References
- contact@wpscan.com (technical-description, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2026-16057?
- CVE-2026-16057 is a medium-severity vulnerability in Contest Gallery, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-08-03.
- How severe is CVE-2026-16057?
- Medium severity. CVSS v3 base score is 6.5 out of 10.