CVE-2026-2518

Published: May 22, 2026Modified: Jul 23, 2026Deferred

4.3

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitability: 2.8 / Impact: 1.4

Source: security@wordfence.com (Secondary)

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.

Related CWEs

CWE-862

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (3)

https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L249

Source: security@wordfence.com

https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L264

Source: security@wordfence.com

https://www.wordfence.com/threat-intel/vulnerabilities/id/6f5c4194-4f97-4f85-af90-e983ba9ce3a6?source=cve

Source: security@wordfence.com

Timeline

No history available yet.