The Yoast Duplicate Post plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the clone_bulk_action_handler() and republish_request() functions in all versions up to, and including, 4.5. This makes it possible for authenticated attackers, with Contributor-level access and above, to duplicate any post on the site including private, draft, and trashed posts they shouldn't have access to. Additionally, attackers with Author-level access and above can use the Rewrite & Republish feature to overwrite any published post with their own content.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Duplicate Post Plugin | — | Update duplicate-post plugin to version 4.6, or a newer patched version | Apr 30, 2026 | Mar 17, 2026 |
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