CVE-2026-2518
4.3 MEDIUMThe FastX theme for WordPress is vulnerable to unauthorized limited plugin installation and activation due to missing capability checks o...
Published: 2026-05-22 · Last updated: 2026-05-22
Severity and scoring
- CVSS
- 4.3 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CWE
- CWE-862
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-2518
- [Other]https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L249
- [Other]https://themes.trac.wordpress.org/browser/fastx/1.0.2/classes/Initialization.php#L264
- [Other]https://www.wordfence.com/threat-intel/vulnerabilities/id/6f5c4194-4f97-4f85-af90-e983ba9ce3a6?source=cve
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