Yoast Duplicate Post, CVE-2026-53739

CVE, Research URL: CVE-2026-53739
Home page URL: Security reports for Yoast Duplicate Post
Application: Yoast Duplicate Post
Published on: Jun 11, 2026
Research Description: Yoast Duplicate Post through 4.6 contains a cross-site request forgery vulnerability in the duplicate_post_dismiss_notice handler, which verifies no nonce or capability. Attackers can trick any authenticated user into sending a request that sets the duplicate_post_show_notice site option, suppressing admin notices network-wide.
Affected versions: max 4.6.
Status: vulnerable