CVE-2020-26670: Bigtreecms Bigtree CMS

High severity, CVSS 8.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A vulnerability has been discovered in BigTree CMS 4.4.10 and earlier which allows an authenticated attacker to execute arbitrary commands through a crafted request sent to the server via the 'Create a New Setting' function.

Affected products

• Bigtreecms Bigtree CMS: up to and including 4.4.10

Published 2021-06-01. Last modified 2026-06-17.