Vulnerability Description
The AffiliateX – Amazon Affiliate Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_customization_settings AJAX action in versions 1.0.0 to 1.3.9.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to store arbitrary JavaScript that executes whenever an AffiliateX block renders on the site.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/f
- https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/h
- https://www.wordfence.com/threat-intel/vulnerabilities/id/36d57b8d-7e62-413b-8ea
FAQ
What is CVE-2025-13859?
CVE-2025-13859 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The AffiliateX – Amazon Affiliate Plugin plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save_customization_settings AJAX action in ver...
How severe is CVE-2025-13859?
CVE-2025-13859 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-13859?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.