CVE-2026-2518 — FastX <= 1.0.2 - Missing Authorization to Authenticated (Subscriber+) Limited Plugin Installation and Activation
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_…
Published: 2026-05-22 · CVSS: 4.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7