FineCMS 2.1.0 allows remote attackers to execute arbitrary PHP code by using a URL Manager "Add Site" action to enter this code after a ', sequence in a domain name, as demonstrated by the ',phpinfo() input value.
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)