Critical (9.8) in feifeicms feifeicms. EPSS 2.2% chance of exploitation in the next 30 days.
FeiFeiCMS 4.1.190209 allows remote attackers to upload and execute arbitrary PHP code by visiting index.php?s=Admin-Index to modify the set of allowable file extensions, as demonstrated by adding php to the default jpg,gif,png,jpeg setting, and then using the "add article" feature.
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
2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)