CVE-2026-89424Duplicate Post <= 1.5.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'noti_token' Parameter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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The Duplicate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'noti_token' parameter in all versions up to, and including, 1.5.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires that the site owner has enabled the plugin's User Level Permissions for the Subscriber role, as this grants access to the i_saw_this_noti AJAX branch needed to deliver the payload.
- CVSS
- 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
inisev Duplicate Post inisev:duplicate_post (from the name) | through 1.5.6 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c475c51e-f01d-4698-822f-5b8df999bf6d?source=cve
- https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.5.6/menu/notifications.php#L53
- https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.5.6/menu/notifications.php#L84
- https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.5.6/post/handler.php#L1598
- https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.5.6/post/handler.php#L1601
- https://plugins.trac.wordpress.org/browser/copy-delete-posts/tags/1.5.6/post/handler.php#L15
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3709767%40copy-delete-posts%2Ftags%2F1.5.7&old=3652254%40copy-delete-posts%2Ftags%2F1.5.6
- https://plugins.trac.wordpress.org/changeset/3709767/copy-delete-posts/trunk/menu/notifications.php
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.