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OpenAdvisories
Low · 1.1 CVE-2026-24050 EUVD-2026-5640

Zulip affected by Stored XSS in user profile modal

Published Feb 6, 2026 · Updated Feb 9, 2026 · Assigned by GitHub_M

Description

Zulip is an open-source team collaboration tool. From 5.0 to before 11.5, some administrative actions on the user profile were susceptible to stored XSS in group names or channel names. Exploiting these vulnerabilities required the user explicitly interacting with the problematic object. This vulnerability is fixed in 11.5.

Affected products

VendorProductAffectedFixed
zulip zulip >= 5.0, < 11.5 —

References