JetBrains YouTrack Cross-Site Scripting Vulnerability (CNVD-2021-91660)

JetBrains YouTrack, a browser-based bug tracking and project management software from JetBrains Czech Republic, is vulnerable to a cross-site scripting vulnerability in versions prior to JetBrains YouTrack 2021.3.24402. The vulnerability stems from the lack of proper validation of client-side data by the WEB application. An attacker could exploit the vulnerability to execute client-side code, which could impact system security.