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CVE-2025-13859

MEDIUM 6.4 CVSS 3.1
Published
January 15, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

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.

Affected WordPress components

  • AffiliateX – Amazon Affiliate Plugin, Product Boxes, Comparison Tables & Affiliate Link Tracking Plugin · affiliatex
    Possible match Active
    From 1.0.0 (including) to 1.3.9.3 (including)
    View on WordPress.org
  • affiliatex Theme · affiliatex
    Possible match Homeless
    From 1.0.0 (including) to 1.3.9.3 (including)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpcenter AffiliateX – Amazon Affiliate Plugin — From 1.0.0 (including) to 1.3.9.3 (including)

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/functions/AjaxFunctions.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/helpers/class-affiliatex-helpers.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/36d57b8d-7e62-413b-8ea9-87963b8cd469?source=cve
  • nvd.nist.gov Official NVD record