{"id":"CVE-2026-4244","aliases":["EUVD-2026-64275","GHSA-4vhq-hx4h-m998"],"status":"published","title":"Post Duplicator \u003c= 3.0.11 - Missing Authorization to Authenticated (Contributor+) Post Duplication with Arbitrary Author Attribution","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.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00336,"percentile":0.2719,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-08-22T12:28:43Z","modified":"2026-10-12T16:10:00Z","products":[{"vendor":"metaphor creations","product":"post duplicator"},{"vendor":"metaphorcreations","product":"post duplicator"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/64553742-ff2b-40e9-92c3-3458a9f988a2?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L728"},{"url":"https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L520"},{"url":"https://plugins.trac.wordpress.org/browser/post-duplicator/trunk/includes/api.php#L550"},{"url":"https://plugins.trac.wordpress.org/changeset/3485579/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4244"},{"url":"https://plugins.trac.wordpress.org/changeset/3485579"},{"url":"https://github.com/advisories/GHSA-4vhq-hx4h-m998"}],"sources":{"cve":[{"id":"CVE-2026-4244","title":"Post Duplicator \u003c= 3.0.11 - Missing Authorization to Authenticated (Contributor+) Post Duplication with Arbitrary Author Attribution","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.","status":"published","published":"2026-08-22T12:28:43.454Z","modified":"2026-08-24T13:01:22.632Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:59.369956Z"}],"euvd":[{"id":"EUVD-2026-64275","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.","status":"published","published":"2026-08-22T12:28:43Z","modified":"2026-08-24T13:01:22Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:01:35.296422Z"}],"ghsa":[{"id":"GHSA-4vhq-hx4h-m998","title":"The Post Duplicator plugin for WordPress is vulnerable to unauthorized modification of data due...","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.","status":"published","published":"2026-08-22T15:31:01Z","modified":"2026-08-22T15:31:05Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:10:50.919771Z"}],"nvd":[{"id":"CVE-2026-4244","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.","status":"published","published":"2026-08-22T13:16:37.523Z","modified":"2026-10-12T16:10:00.22Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:40.665005Z"}]}}