CVE-2026-2518

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

4.3 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

May 22, 2026

Last Modified

May 22, 2026

CWE ID

CWE-862

Source

NVD

External 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

CVE-2026-2518

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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