Vulnerability · Published Dec 13, 2021 · Assigned by GitLab

CVE-2021-39910

Low 2.6

In plain English

A low-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)2.6Low

Exploit odds (30 days)1.0%top 37.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab was vulnerable to HTML Injection through the Swagger UI feature.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=12.6, <14.3.6>=14.4, <14.4.4>=14.5, <14.5.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/325901 x_refsource_MISC
https://hackerone.com/reports/1133656 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39910.json x_refsource_CONFIRM