CVE-2026-2518
Unauthorized Plugin Installation in FastX WordPress Theme
Publication date: 2026-05-22
Last updated on: 2026-05-22
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fastx | theme | to 1.0.2 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-862 | The product does not perform an authorization check when an actor attempts to access a resource or perform an action. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The FastX theme for WordPress has a vulnerability due to missing capability checks in the functions 'ultp_install_callback' and 'ultp_activate_callback' in all versions up to and including 1.0.2.
This flaw allows authenticated users with Subscriber-level access or higher to install and activate the PostX plugin without proper authorization.
How can this vulnerability impact me? :
An attacker with Subscriber-level access can exploit this vulnerability to install and activate plugins, such as the PostX plugin, on the WordPress site.
This unauthorized plugin installation can lead to potential security risks including unauthorized changes to the website, introduction of malicious code, or further exploitation depending on the installed plugin's capabilities.