Custom Permalinks <= 2.6.0 - Authenticated(Editor+) Stored Cross-Site Scripting
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-0926
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Ramuel Gall
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
Affected Vendor
sasiddiqui
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