Vulnerability · Published Jun 17, 2026 · Assigned by Wordfence
CVE-2026-8494Permalink Manager Lite <= 2.5.3.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Title
Medium 6.4
In plain English
A medium-severity cross-site scripting in Permalink Manager Lite from mbis. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Official description
The Permalink Manager Lite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via post titles in the admin URI Editor interface in all versions up to, and including, 2.5.3.3 due to insufficient output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in the admin Permalink Manager page that will execute whenever an administrator accesses the Permalink Manager page.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| mbis | Permalink Manager Lite | 0 – through 2.5.3.3 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/221c62a8-09c9-405a-bddf-06638437bd39?source=cve
- https://plugins.trac.wordpress.org/browser/permalink-manager/trunk/includes/views/permalink-manager-uri-editor-post.php#L150
- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.5.3.1/includes/views/permalink-manager-uri-editor-post.php#L150
- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.5.3.3/includes/views/permalink-manager-uri-editor-post.php#L150
- https://plugins.trac.wordpress.org/browser/permalink-manager/tags/2.5.3.4/includes/views/permalink-manager-uri-editor-post.php