CVE-2021-25983: Darwin Factor

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.8 to v1.8.30, are vulnerable to reflected Cross-Site Scripting (XSS) at the “tags” and “category” parameters in the URL. An unauthenticated attacker can execute malicious JavaScript code and steal the session cookies.

Affected products

  • Darwin Factor: from 1.3.8, up to and including 1.8.30

Published 2021-11-16. Last modified 2026-06-17.