An issue was discovered in BageCMS 3.1.3. The attacker can execute arbitrary PHP code on the web server and can read any file on the web server via an index.php?r=admini/template/updateTpl&filename= URI.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)