CVE-2024-2538: CWE-639 Authorization Bypass Through User-Controlled Key in mbis Permalink Manager Lite
The Permalink Manager Lite plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'ajax_save_permalink' function in all versions up to, and including, 2.4.3.1. This makes it possible for authenticated attackers, with author access and above, to modify the permalinks of arbitrary posts.
AI Analysis
Technical Summary
CVE-2024-2538 describes an authorization bypass vulnerability in the mbis Permalink Manager Lite WordPress plugin affecting all versions up to 2.4.3.1. The issue arises from a missing capability check in the 'ajax_save_permalink' function, allowing authenticated users with author privileges or higher to modify permalinks of posts they may not own. This could lead to unauthorized changes impacting site content integrity. The vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, low integrity impact, and low availability impact.
Potential Impact
Authenticated users with author-level permissions or above can modify permalinks of arbitrary posts without proper authorization. This unauthorized modification can affect the integrity of site content and potentially disrupt site navigation or SEO. There is no direct confidentiality impact reported. The availability impact is rated low. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict author-level user permissions where possible and monitor for unauthorized permalink changes. Avoid granting author or higher privileges to untrusted users. Follow updates from the plugin vendor or WordPress security advisories for patches.
CVE-2024-2538: CWE-639 Authorization Bypass Through User-Controlled Key in mbis Permalink Manager Lite
Description
The Permalink Manager Lite plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'ajax_save_permalink' function in all versions up to, and including, 2.4.3.1. This makes it possible for authenticated attackers, with author access and above, to modify the permalinks of arbitrary posts.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-2538 describes an authorization bypass vulnerability in the mbis Permalink Manager Lite WordPress plugin affecting all versions up to 2.4.3.1. The issue arises from a missing capability check in the 'ajax_save_permalink' function, allowing authenticated users with author privileges or higher to modify permalinks of posts they may not own. This could lead to unauthorized changes impacting site content integrity. The vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The CVSS 3.1 base score is 5.4, reflecting network attack vector, low attack complexity, requiring privileges, no user interaction, unchanged scope, no confidentiality impact, low integrity impact, and low availability impact.
Potential Impact
Authenticated users with author-level permissions or above can modify permalinks of arbitrary posts without proper authorization. This unauthorized modification can affect the integrity of site content and potentially disrupt site navigation or SEO. There is no direct confidentiality impact reported. The availability impact is rated low. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict author-level user permissions where possible and monitor for unauthorized permalink changes. Avoid granting author or higher privileges to untrusted users. Follow updates from the plugin vendor or WordPress security advisories for patches.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-03-15T17:29:45.829Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6db2b7ef31ef0b58af61
Added to database: 2/25/2026, 9:46:26 PM
Last enriched: 4/9/2026, 2:03:38 PM
Last updated: 4/12/2026, 6:24:22 AM
Views: 16
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