CVE-2026-100275CWE-79cross-site-scripting

CVE-2026-100275

Medium · published September 30, 2026

CVSS v3.1
6.9
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible

The record
Technical detail
CVSS v3.1
6.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00190 · 8.2th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-30T20:16Z
Affected products (1)
ProductVersionsFixed in
jetbrains/youtrack< 2026.2.191972026.2.19197
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 15:17Z
    In JetBrains YouTrack before 2026.2.19197 stored XSS in the workflow error notification toast was possible
    cvelistv5