SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityUndergoing Analysis

CVE-2026-75048

In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible

HIGH 8.2EPSS 0.20%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In JetBrains YouTrack before 2026.2.18068 stored XSS via the fenced code-block language label was possible

CVSS 3.1
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS
0.20% probability · 10th percentile
CISA KEV
Not listed
Weakness
CWE-79
Source
cve@jetbrains.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.