The The Ultimate WordPress Toolkit – WP Extended plugin for WordPress is vulnerable to unauthorized modification of user names due to a missing capability check on the wpext_change_admin_name() function in all versions up to, and including, 3.0.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change an admin's username to a username of their liking as long as the default 'admin' was used.
CVE-2024-8121 is a medium severity with CVSS 5.4 Vulnerability issue affecting the Plugin WP Extended – The Ultimate WordPress Toolkit. It affects Versions up to 3.0.8 and is fixed in 3.0.9.
Use the related hub and response guides to connect this CVE-2024-8121 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2024-8121 is tracked for the Plugin WP Extended – The Ultimate WordPress Toolkit as medium severity with CVSS 5.4. The affected range is Versions up to 3.0.8. Update WP Extended – The Ultimate WordPress Toolkit to 3.0.9 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 3.0.8.
Confirm WP Extended – The Ultimate WordPress Toolkit is updated to 3.0.9 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
wpextended
View on wordpress.org
|
| CVE | CVE-2024-8121 |
| Patched Versions |
3.0.9
|
| Affected Versions |
Versions up to 3.0.8
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
The Ultimate WordPress Toolkit – WP Extended <= 3.2.4 - Authenticated (Subscriber+) Privilege Escalation via Menu Editor Module
The Ultimate WordPress Toolkit – WP Extended <= 3.0.11 - Missing Authorization to Authenticated (Subscriber+) Remote Code Execution
The Ultimate WordPress Toolkit – WP Extended <= 3.0.8 - Authenticated (Subscriber+) Arbitrary Options Update
The Ultimate WordPress Toolkit – WP Extended <= 3.0.8 - Directory Traversal to Authenticated (Subscriber+) Arbitrary File Download
The Ultimate WordPress Toolkit – WP Extended <= 3.0.12 - Unauthenticated SQL Injection via Login Attempts Module
The Ultimate WordPress Toolkit – WP Extended <= 3.0.11 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting
The Ultimate WordPress Toolkit – WP Extended <= 3.0.8 - Authenticated (Subscriber+) Sensitive Information Exposure
WP Extended <= 3.0.15 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
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