In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible
https://www.jetbrains.com/privacy-security/issues-fixed/
Source: Mitre, NVD
Published: 2026-08-17
Updated: 2026-08-17
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:P/A:N
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N