CVE-2023-5877: Servit Affiliate-Toolkit

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

The affiliate-toolkit WordPress plugin before 3.4.3 lacks authorization and authentication for requests to it's affiliate-toolkit-starter/tools/atkp_imagereceiver.php endpoint, allowing unauthenticated visitors to make requests to arbitrary URL's, including RFC1918 private addresses, leading to a Server Side Request Forgery (SSRF) issue.

Affected products

• Servit Affiliate-Toolkit: before 3.4.3 (fixed in 3.4.3)

Published 2024-01-01. Last modified 2026-06-17.