CVE-2025-13859
Medium
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.
SeverityMedium
CVSS6.4
Exploit probability—
ProductAffiliateX – Amazon Affiliate Plugin
PublishedJan 15, 2026
First seenJan 15, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wpcenter AffiliateX – Amazon Affiliate Plugin | 1.0.0 ≤ v ≤ 1.3.9.3 | — |
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