CVE-2021-39878

low-risk
Published 2021-10-05

A stored Reflected Cross-Site Scripting vulnerability in the Jira integration in GitLab version 13.0 up to 14.3.1 allowed an attacker to execute arbitrary javascript code.

Do I need to act?

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0.18% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.8/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Gitlab

References (6)

Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39878.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/334043
Permissions Required https://hackerone.com/reports/1194254
Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39878.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/334043
Permissions Required https://hackerone.com/reports/1194254
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low