What is CVE-2019-5471?

CVE-2019-5471 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-09.

How severe is CVE-2019-5471?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in GitLab

CVE-2019-5471

An input validation and output encoding issue was discovered in the GitLab email notification feature which could result in a persistent XSS. This was addressed in GitLab 12.1.2, 12.0.4, and 11.11.6.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (53.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab
N/a Gitlab — versions Fixed versions 12.1.2, 12.0.4, and 11.11.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

support@hackerone.com (Exploit, Third Party Advisory, x_refsource_MISC)
support@hackerone.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
nvd@nist.gov (Broken Link, Vendor Advisory)

Frequently asked questions

What is CVE-2019-5471?: CVE-2019-5471 is a medium-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-09-09.
How severe is CVE-2019-5471?: Medium severity. CVSS v3 base score is 5.4 out of 10.