PT-2026-3004 · WordPress · Affiliatex – Amazon Affiliate Plugin

Kenneth Dunn · Published 2026-01-15 · Updated 2026-03-31 · CVE-2025-13859

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions AffiliateX – Amazon Affiliate Plugin versions 1.0.0 through 1.3.9.3

Description The AffiliateX – Amazon Affiliate Plugin for WordPress is susceptible to unauthorized data modification because of a missing capability check on the save customization settings AJAX action. This allows authenticated attackers with Subscriber-level access or higher to inject arbitrary JavaScript code that will execute when an AffiliateX block is rendered on a website.

Recommendations Update AffiliateX – Amazon Affiliate Plugin to a version later than 1.3.9.3.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-13859

Affected Products

Affiliatex – Amazon Affiliate Plugin

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2025-13859 · Security Note
• https://twitter.com/atomicedgeWAF/status/2039008834837008871 · Twitter Post
• https://twitter.com/CVEnew/status/2011926121659711730 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/36d57b8d-7e62-413b-8ea9-87963b8cd469?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/helpers/class-affiliatex-helpers.php · Note
• https://plugins.trac.wordpress.org/changeset/3420957/affiliatex/trunk/includes/functions/AjaxFunctions.php · Note