CVE-2026-53739

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.

CVSS Vector

References

• https://wordpress.org/plugins/duplicate-post/
• https://www.vulncheck.com/advisories/yoast-duplicate-post-through-cross-site-request-forgery-via-duplicate-post-dismiss-notice