In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible
https://www.jetbrains.com/privacy-security/issues-fixed/
Source: Mitre, NVD
Published: 2026-05-29
Updated: 2026-06-01
Base Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00018