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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-2518 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L249 Wordfence
https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L264 Wordfence
https://www.wordfence.com/threat-intel/vulnerabilities/id/6f5c4194-4f97-4f85-af90-e983ba9ce3a6?source=cve Wordfence

Weakness Enumeration

CWE-ID CWE Name Source
CWE-862 Missing Authorization Wordfence  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-2518
NVD Published Date:
05/22/2026
NVD Last Modified:
05/22/2026
Source:
Wordfence