CVE-2026-103493CWE-79cross-site-scripting

CVE-2026-103493

High · published October 1, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
12.0
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00221 · 12.0th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-01T14:17Z
Affected products (1)
ProductVersionsFixed in
jetbrains/youtrack< 2026.2.194222026.2.19422
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 03 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 01 OCT 09:15Z
    In JetBrains YouTrack before 2026.2.19422 stored XSS via Mermaid and LaTeX content was possible
    cvelistv5