CVE-2018-9987: Zulip Server

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

In Zulip Server versions 1.5.x, 1.6.x, and 1.7.x before 1.7.2, there was an XSS issue with muting notifications.

Affected products

• Zulip Zulip Server: from 1.5.0, before 1.7.2 (fixed in 1.7.2)

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