CVE-2020-9445: Zulip Server

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Zulip Server before 2.1.3 allows XSS via the modal_link feature in the Markdown functionality.

Affected products

• Zulip Zulip Server: before 2.1.3 (fixed in 2.1.3)

Published 2020-04-20. Last modified 2026-06-17.