Rating:

Medium

Patched:

Yes

Type:

plugin

CVSS Score:

6.4

From Version:

1.0.0

To Version:

1.3.9.3

CVE:

CVE-2025-13859

Patched Version:

1.4.0

Published:

15.01.2026

Updated:

15.01.2026

How to fix the vulnerability?

Update to version 1.4.0, or a newer patched version

AffiliateX 1.0.0 - 1.3.9.3 - Authenticated (Subscriber+) Missing Authorization to Stored Cross-Site Scripting via save_customization_settings

Slug:

affiliatex

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.

CWE:

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References:

https://www.wordfence.com/threat-intel/vulnerabilities/id/36d57b8d-7e62-413b-8ea9-87963b8cd469?source=api-prod

Researchers:

kr0d

CVE Link:

CVE-2025-13859

Copyrights:

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