CVE-2025-13859: Wpcenter Affiliatex – Amazon Affiliate Plugin

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Wpcenter Affiliatex – Amazon Affiliate Plugin: from 1.0.0, up to and including 1.3.9.3

Published 2026-01-15. Last modified 2026-06-17.