CVE-2021-39906 — Cross-site Scripting in Gitlab

CWE-79 — Cross-site Scripting5 documents5 sources
Severity
6.1MEDIUMNVD
EPSS
1.2%
top 21.21%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
GitlabDebian GitlabGitlab CE
Timeline
PublishedNov 5
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages5 packages

▶NVDgitlab/gitlab13.5.0 — 14.2.6+2
▶debiandebian/gitlab< gitlab 15.10.8+ds1-2 (sid)
▶CVEListV5gitlab/gitlab>=13.5, <14.2.6, >=14.3, <14.3.4, >=14.4, <14.4.1+2
▶gitlabgitlab/gitlab

🔴Vulnerability Details

2
GHSA
GHSA-6cxq-rcp9-rqr8: Improper validation of ipynb files in GitLab CE/EE version 13↗2022-05-24
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OSV
CVE-2021-39906: Improper validation of ipynb files in GitLab CE/EE version 13↗2021-11-05
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📋Vendor Advisories

2
GitLab
CVE-2021-39906: 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 beha↗2021-11-05
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Debian
CVE-2021-39906: gitlab - Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows...↗2021
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