CVE-2026-4244 | BDVDB-2026-363549 Detail
metaphorcreationsPost Duplicator
Description#
The Post Duplicator plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `duplicate_post()` function in all versions up to, and including, 3.0.11. This is due to the function not verifying that the user has `edit_others_posts` capability before accepting a `selectedAuthorId` parameter via the `duplicate-post` REST endpoint. This makes it possible for authenticated attackers, with Contributor-level access and above, to create duplicated posts attributed to any user, including administrators.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-862 Missing Authorization
References#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/64553742-ff2b-40e9-92c3-3458a9f988a2?source=cve
- https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L728
- https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L520
- https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L550
- https://plugins.trac.wordpress.org/changeset/3485579/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.