Vulnerability · Published Oct 5, 2021 · Assigned by GitLab

CVE-2021-22261

High 7.3

In plain English

A high-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 62% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)1.0%top 37.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A stored Cross-Site Scripting vulnerability in the Jira integration in all GitLab versions starting from 13.9 before 14.0.9, all versions starting from 14.1 before 14.1.4, and all versions starting from 14.2 before 14.2.2 allows an attacker to execute arbitrary JavaScript code on the victim's behalf via malicious Jira API responses

Affected products (as reported)

Vendor	Product	Versions
GitLab	GitLab	>=13.9, <14.0.9>=14.1, <14.1.4>=14.2, <14.2.2

References

https://gitlab.com/gitlab-org/gitlab/-/issues/328389 x_refsource_MISC
https://hackerone.com/reports/1132083 x_refsource_MISC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22261.json x_refsource_CONFIRM