Vulnerability · Published Aug 24, 2024 · Assigned by Wordfence
CVE-2023-0926Custom Permalinks <= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting
Medium 4.4
In plain English
A medium-severity cross-site scripting in Custom Permalinks from sasiddiqui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Official description
The Custom Permalinks plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.6.0 due to insufficient input sanitization and output escaping on tag names. This allows authenticated users, with editor-level permissions or greater to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page, even when 'unfiltered_html' has been disabled.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| sasiddiqui | Custom Permalinks | 0 – through 2.6.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/97f8549a-292d-4a6d-8ec0-550467e5cf0f?source=cve
- https://wordpress.org/plugins/custom-permalinks/
- https://github.com/samiahmedsiddiqui/custom-permalinks/pull/96
- https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-post-types-table.php
- https://plugins.trac.wordpress.org/changeset/3138206/custom-permalinks/trunk/admin/class-custom-permalinks-taxonomies-table.php