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CVE-2026-1217

MEDIUM 5.4 CVSS 3.1
Published
March 18, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Description

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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • yoast Yoast Duplicate Post — Up to and including 4.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duplicate-post/tags/4.5/src/handlers/bulk-handler.php#L115
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/duplicate-post/tags/4.5/src/post-republisher.php#L128
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/05f175e6-08a9-4199-948c-5bd8b3caaa39?source=cve
  • nvd.nist.gov Official NVD record