affiliate-toolkit <= 3.9.3 - Unauthenticated Remote Code Execution via Discount Notice Feed
- ID
- WPSEC-2026-2945
- Plugin
- affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display (affiliate-toolkit-starter)
- Affected
- all versions before 3.9.4
- Remediation
- Update to 3.9.4 or later.
- CVSS 3.1
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness
- CWE-494
- Usage
- Plugin Low · Affected versions Low among sites WPSec scans, 2026-11-12
- Attack surface
- affiliate-toolkit on WPSec AttackSurface
- Fix released
- Published
Description
The affiliate-toolkit plugin for WordPress is vulnerable to Remote Code Execution via the discount/promotion notice feed in all versions up to, and including, 3.9.3. This is due to the plugin fetching a remote JSON feed from affiliate-toolkit.com with TLS certificate verification disabled and then writing the response's 'aktion_filecontent' into the uploads directory under the unvalidated file name 'aktion_filename'. This makes it possible for unauthenticated attackers who can intercept or spoof the connection to the store server (for example through a man-in-the-middle position or DNS spoofing) to write arbitrary files, including executable PHP files, onto the server, which can lead to remote code execution.
References
- https://wpsec.com/vuln/WPSEC-2026-2945/
- https://plugins.svn.wordpress.org/affiliate-toolkit-starter/tags/3.9.4/
- https://wordpress.org/plugins/affiliate-toolkit-starter/
Published by WPSec. Provided as is, without warranty. Corrections: contact us.
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