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.
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Affected Vendors & Products
Advisories
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Fixes
Solution
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Workaround
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References
History
Thu, 15 Jan 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | AffiliateX 1.0.0 - 1.3.9.3 - Authenticated (Subscriber+) Missing Authorization to Stored Cross-Site Scripting via save_customization_settings | |
| Weaknesses | CWE-862 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: Wordfence
Published:
Updated: 2026-01-15T15:33:05.125Z
Reserved: 2025-12-01T20:41:11.917Z
Link: CVE-2025-13859
No data.
Status : Received
Published: 2026-01-15T14:16:26.040
Modified: 2026-01-15T14:16:26.040
Link: CVE-2025-13859
No data.
OpenCVE Enrichment
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Weaknesses