The installer script in webEdition CMS before 6.2.7-s1 and 6.3.x before 6.3.8-s1 allows remote attackers to conduct PHP Object Injection attacks by intercepting a request to update.webedition.org.
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
4.5% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)