CVE-2021-43184: JetBrains Youtrack

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

In JetBrains YouTrack before 2021.3.21051, stored XSS is possible.

Affected products

• JetBrains Youtrack: before 2021.3.21051 (fixed in 2021.3.21051)

Published 2021-11-09. Last modified 2026-06-17.