Vulnerabilities > CVE-2020-9444 - Improper Restriction of Rendered UI Layers or Frames vulnerability in Zulip Server
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
NONE Summary
Zulip Server before 2.1.3 allows reverse tabnabbing via the Markdown functionality.