What is CVE-2023-0523?

CVE-2023-0523 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-05.

How severe is CVE-2023-0523?

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

Is CVE-2023-0523 known to be exploited?

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

XSS in Gitlab

CVE-2023-0523

An issue has been discovered in GitLab affecting all versions starting from 15.6 before 15.8.5, 15.9 before 15.9.4, and 15.10 before 15.10.1. An XSS was possible via a malicious email address for certain instances.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.1th 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 — versions 15.10.0, >=15.9, <15.9.4, >=15.6, <15.8.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

cve@gitlab.com (Broken Link)
cve@gitlab.com (Permissions Required)
cve@gitlab.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-0523?: CVE-2023-0523 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-04-05.
How severe is CVE-2023-0523?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-0523 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.