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 behalf.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
GitLabCNA
8.7 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 82%
VendorProductVersion
gitlabgitlab
13.5.0 ≤
𝑥
< 14.2.6
gitlabgitlab
13.5.0 ≤
𝑥
< 14.2.6
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.4
gitlabgitlab
14.3.0 ≤
𝑥
< 14.3.4
gitlabgitlab
14.4.0 ≤
𝑥
< 14.4.1
gitlabgitlab
14.4.0 ≤
𝑥
< 14.4.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
16.8.4-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
noble
dne
mantic
dne
jammy
dne
focal
dne
xenial
ignored
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.json
https://gitlab.com/gitlab-org/gitlab/-/issues/341566
https://hackerone.com/reports/1347600
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.json
https://gitlab.com/gitlab-org/gitlab/-/issues/341566
https://hackerone.com/reports/1347600