CVE-2024-9890: CWE-288 Authentication Bypass Using an Alternate Path or Channel in deryck User Toolkit
The User Toolkit plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.2.3. This is due to an improper capability check in the 'switchUser' function. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator. CVE-2024-50503 may be a duplicate.
AI Analysis
Technical Summary
CVE-2024-9890 is an authentication bypass vulnerability in the User Toolkit WordPress plugin (up to version 1.2.3) caused by an improper capability check in the 'switchUser' function. This allows authenticated users with low-level permissions (subscriber or above) to impersonate any user on the site, including administrators, potentially leading to full site compromise. The vulnerability is classified under CWE-288 (Authentication Bypass Using an Alternate Path or Channel) and has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. No patch or official fix has been documented yet.
Potential Impact
Successful exploitation enables an attacker with subscriber-level access to bypass authentication controls and assume the identity of any user, including administrators. This can lead to complete site takeover, unauthorized access to sensitive data, and full control over the WordPress installation. The vulnerability affects the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict subscriber-level access and monitor for suspicious activity related to user switching. Avoid using the vulnerable versions of the User Toolkit plugin if possible.
CVE-2024-9890: CWE-288 Authentication Bypass Using an Alternate Path or Channel in deryck User Toolkit
Description
The User Toolkit plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 1.2.3. This is due to an improper capability check in the 'switchUser' function. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to log in as any existing user on the site, such as an administrator. CVE-2024-50503 may be a duplicate.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-9890 is an authentication bypass vulnerability in the User Toolkit WordPress plugin (up to version 1.2.3) caused by an improper capability check in the 'switchUser' function. This allows authenticated users with low-level permissions (subscriber or above) to impersonate any user on the site, including administrators, potentially leading to full site compromise. The vulnerability is classified under CWE-288 (Authentication Bypass Using an Alternate Path or Channel) and has a CVSS 3.1 base score of 8.8, indicating high impact on confidentiality, integrity, and availability. No patch or official fix has been documented yet.
Potential Impact
Successful exploitation enables an attacker with subscriber-level access to bypass authentication controls and assume the identity of any user, including administrators. This can lead to complete site takeover, unauthorized access to sensitive data, and full control over the WordPress installation. The vulnerability affects the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict subscriber-level access and monitor for suspicious activity related to user switching. Avoid using the vulnerable versions of the User Toolkit plugin if possible.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2024-10-11T19:30:44.330Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 699f6b63b7ef31ef0b554e66
Added to database: 2/25/2026, 9:36:35 PM
Last enriched: 4/9/2026, 3:38:33 PM
Last updated: 4/11/2026, 10:16:45 PM
Views: 13
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