Vulnerability · Published Mar 4, 2021 · Assigned by GitLab

CVE-2021-22183

Medium 4.1

In plain English

A medium-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 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 3.1)4.1Medium

Exploit odds (30 days)0.8%top 42.1% 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 affecting all versions starting with 11.8. GitLab was vulnerable to a stored XSS in the epics page, which could be exploited with user interactions.

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.8, <13.8.2>=13.7, <13.7.6>=11.8, <13.6.6

References

https://gitlab.com/gitlab-org/gitlab/-/issues/294176 x_refsource_MISC
https://hackerone.com/reports/1055814 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22183.json x_refsource_CONFIRM