CVE-2021-39906

HIGH

GitLab 13.5.0-14.2.5 - Stored Cross-Site Scripting via IPYNB File Upload

Title source: llm
STIX 2.1

Description

Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.

References (3)

Core 3
Core References
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1347600

Scores

CVSS v3 8.7
EPSS 0.0100
EPSS Percentile 77.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Details

CWE
CWE-79
Status published
Products (1)
gitlab/gitlab 13.5.0 - 14.2.6 (2 CPE variants)
Published Nov 05, 2021
Tracked Since Feb 18, 2026