PT-2026-48553 · Yoast · Yoast Duplicate Post

Published 2026-06-10 · Updated 2026-06-10 · CVE-2026-53739

NVD

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2026-53739

Affected Products

Yoast Duplicate Post

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-53739 · Security Note
• https://vulncheck.com/advisories/yoast-duplicate-post-through-cross-site-request-forgery-via-duplicate-post-dismiss-notice · Note
• https://wordpress.org/plugins/duplicate-post · Note