High (7.2) in backdropcms backdrop cms. EPSS 2.1% chance of exploitation in the next 30 days.
Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows attackers to Remote Code Execution. Note: Third parties dispute this and argue that advanced permissions are required.
Severity
CVSS 3.1
7.2 high
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)