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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.006 (43.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-12276: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.