CVE-2021-22261

4.8 mediumEPSS 1.0%

Medium (4.8) in gitlab gitlab. EPSS 1.0% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

4.8 medium

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-10-05
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

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

Check your stack JSON