Critical (9.8) in mingsoft mcms. EPSS 0.8% chance of exploitation in the next 30 days. Fixed in net.mingsoft:ms-mcms 5.4.4.
An arbitrary file upload vulnerability in the ueditor component of MCMS v5.4.3 allows attackers to execute arbitrary code via uploading a crafted file.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-11-01)