XSS in Gitlab

CVE-2020-12276

GitLab 9.5.9 through 12.9 is vulnerable to stored XSS in an admin notification feature.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-12276?: CVE-2020-12276 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-04-29.
How severe is CVE-2020-12276?: Medium severity. CVSS v3 base score is 4.8 out of 10.