Directory traversal vulnerability in file "jcss.php" in Zikula 1.3.x before 1.3.11 and 1.4.x before 1.4.4 on Windows allows a remote attacker to launch a PHP object injection by uploading a serialized file.
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
3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)