In JetBrains YouTrack before 2026.1.13162 stored XSS in project notification templates was possible
https://www.jetbrains.com/privacy-security/issues-fixed/
Source: Mitre, NVD
Published: 2026-05-29
Updated: 2026-06-01
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 5.4
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00012