CVE-2021-22196

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
GitLabCNA
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 41%
VendorProductVersion
gitlabgitlab
13.4.0 ≤
𝑥
< 13.8.7
gitlabgitlab
13.4.0 ≤
𝑥
< 13.8.7
gitlabgitlab
13.9.0 ≤
𝑥
< 13.9.5
gitlabgitlab
13.9.0 ≤
𝑥
< 13.9.5
gitlabgitlab
13.10.0 ≤
𝑥
< 13.10.1
gitlabgitlab
13.10.0 ≤
𝑥
< 13.10.1
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
lunar
dne
kinetic
dne
jammy
dne
impish
dne
hirsute
dne
groovy
dne
focal
dne
bionic
dne
xenial
ignored
trusty
dne
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22196.json
https://gitlab.com/gitlab-org/gitlab/-/issues/254710
https://hackerone.com/reports/977697
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22196.json
https://gitlab.com/gitlab-org/gitlab/-/issues/254710
https://hackerone.com/reports/977697