CVE-2020-24582: Zulipchat Zulip Desktop

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

Zulip Desktop before 5.4.3 allows XSS because string escaping is mishandled during composition of the HTML for the user interface.

Affected products

  • Zulipchat Zulip Desktop: before 5.4.3 (fixed in 5.4.3)

Published 2020-09-10. Last modified 2026-06-17.