CVE-2021-43186: JetBrains Youtrack

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

JetBrains YouTrack before 2021.3.24402 is vulnerable to stored XSS.

Affected products

• JetBrains Youtrack: before 2021.3.24402 (fixed in 2021.3.24402)

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