In JetBrains YouTrack before 2021.1.9819, a pull request's title was sanitized insufficiently, leading to XSS.
https://blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021/
https://blog.jetbrains.com
Source: Mitre, NVD
Published: 2021-05-11
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00007