Vulnerability CVE-2021-22241
Published: 2021-08-05

Description:
An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Gitlab -> Gitlab 

 References:
https://hackerone.com/reports/1256777
https://gitlab.com/gitlab-org/gitlab/-/issues/336460
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22241.json
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