CVE-2020-18467: Bigtreecms Bigtree CMS

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Cross Site Scripting (XSS) vulnerabilty exists in BigTree-CMS 4.4.3 in the tag name field found in the Tags page under the General menu via a crafted website name by doing an authenticated POST HTTP request to admin/tags/create.

Affected products

• Bigtreecms Bigtree CMS: version 4.4.3 only

Published 2021-08-26. Last modified 2026-06-17.