CVE-2026-19077: Unknown Duplicate Post

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The Duplicate Post WordPress plugin before 1.5.5 does not perform per-object authorisation checks in its bulk copy and delete operations, allowing any user whose role an administrator has granted Duplicate Post WordPress plugin before 1.5.5 access to permanently delete arbitrary posts on the site, including those belonging to other users.

Affected products

• Unknown Duplicate Post: before 1.5.5 (fixed in 1.5.5)

Published 2026-08-10. Last modified 2026-08-26.