Checkmk Werk 13193: XSS in report editing

ID: 13193 Title: XSS in report editing Component: Reporting & Availability Level: 1 Class: Security fix Version: 2.1.0i1 It was possible to Inject HTML code in various Content elments. This could also be used in shared reports. CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H 9.0 Affected Versions: all below Workarounds: Disallow users to customize reports (Set 'General Permissions' > 'Customize reports and use them' to no) Exploit detections: Check `var/check_mk/web/*/user_reports.mk` for html specialchars.