mbis Permalink Manager Lite Plugin up to 2.5.3.3 on WordPress Admin URI Editor Interface cross site scripting

Summaryinfo

A vulnerability classified as problematic was found in mbis Permalink Manager Lite Plugin up to 2.5.3.3 on WordPress. The impacted element is an unknown function of the component Admin URI Editor Interface. Such manipulation leads to cross site scripting. This vulnerability is referenced as CVE-2026-8494. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in mbis Permalink Manager Lite Plugin up to 2.5.3.3 on WordPress and classified as problematic. Affected by this issue is an unknown function of the component Admin URI Editor Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

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.

The weakness was published by Ahmad Marzouk. The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-8494 since 05/13/2026. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• mbis

Name

• Permalink Manager Lite Plugin

Version

• 2.5.3.0
• 2.5.3.1
• 2.5.3.2
• 2.5.3.3

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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