What’s Vulnerable › Vulnerabilities
CVE-2026-16057: Contest Gallery < 30.0.7 - Author+ Arbitrary Post Deletion via post_cg_youtube_delete_from_library
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-03 · updated 2026-08-26
- Weakness: CWE-862
Description
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.
Affected products
- Contest Gallery: before 30.0.7 — fixed in 30.0.7
How to fix
Upgrade to a fixed version: Contest Gallery 30.0.7. Check the vendor advisory for mitigations.
References
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