CVE-2026-2518

Description

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.

CVSS Vector

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