CVE-2026-2518
The FastX theme for WordPress is vulnerable to unauthorized limited plugin installation and activation due to missing capability checks on the 'ultp_install_callback' and 'ultp_activate_callback' functions in all versions up to, and including, 1.0.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate the PostX plugin.
- Score
- CVSS 3.1 4.3 Medium
- Status
- Deferred - security@wordfence.com
- Published
- 2026-05-22
- Last modified
- 2026-05-22
- Weaknesses
- CWE-862
Affected products
References
- https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L249
- https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L264
- https://www.wordfence.com/threat-intel/vulnerabilities/id/6f5c4194-4f97-4f85-af90-e983ba9ce3a6?source=cve
