CVE-2026-86483CWE-79

In JetBrains YouTrack before 2026.2.18634 stored XSS via a custom field on Agile board cards was possible

Medium · published September 7, 2026

CVSS v3.1
5.4
EPSS
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.18634 stored XSS via a custom field on Agile board cards was possible

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
Not scored
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-09-07T16:26Z
Timeline
  • 07 SEP 16:26Z
    In JetBrains YouTrack before 2026.2.18634 stored XSS via a custom field on Agile board cards was possible
    cvelistv5