What is CVE-2019-11547?

CVE-2019-11547 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-09.

How severe is CVE-2019-11547?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2019-11547 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Gitlab

CVE-2019-11547

An issue was discovered in GitLab Community and Enterprise Edition before 11.8.9, 11.9.x before 11.9.10, and 11.10.x before 11.10.2. It has Improper Encoding or Escaping of Output. The branch name on new merge request notification emails isn't escaped, which could potentially lead to XSS issues.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (63.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab
N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2019-11547?: CVE-2019-11547 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-09-09.
How severe is CVE-2019-11547?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-11547 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.