CVE-2019-14953: JetBrains Youtrack

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

JetBrains YouTrack versions before 2019.2.53938 had a possible XSS through issue attachments when using the Firefox browser.

Affected products

• JetBrains Youtrack: before 2019.2.53938 (fixed in 2019.2.53938)

Published 2019-10-01. Last modified 2026-06-17.