Medium severity6.4NVD Advisory· Published Jan 15, 2026· Updated Apr 15, 2026
CVE-2025-13859
CVE-2025-13859
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: >=1.0.0,<=1.3.9.3
- Range: <=1.3.9.3
Patches
Vulnerability mechanics
References
3- plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/functions/AjaxFunctions.phpnvd
- plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/helpers/class-affiliatex-helpers.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/36d57b8d-7e62-413b-8ea9-87963b8cd469nvd
News mentions
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