In Zulip Server versions before 1.7.2, there was an XSS issue with stream names in topic typeahead.
https://blog.zulip.org/2018/04/12/zulip-1-7-2-released/
Source: Mitre, NVD
Published: 2018-04-18
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00266