In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible
CVSS Details
- CVSS 3.1 Base Score: 8.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N)
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