CVE-2018-9986: Zulip Server

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

In Zulip Server versions before 1.7.2, there were XSS issues with the frontend markdown processor.

Affected products

• Zulip Zulip Server: before 1.7.2 (fixed in 1.7.2)

Published 2018-04-18. Last modified 2026-06-17.