CVE-2023-0523

Name: CVE-2023-0523
Creator: NVD / NIST
Published: 2023-04-05T20:15:07.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-0523 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.64%

46.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 15.6.0, < 15.8.5
Gitlab	Gitlab	>= 15.6.0, <= 15.8.5
Gitlab	Gitlab	>= 15.9.0, < 15.9.4
Gitlab	Gitlab	15.10.0

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/389487Broken Link
https://hackerone.com/reports/1842867Permissions Required
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0523.jsonVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/389487Broken Link
https://hackerone.com/reports/1842867Permissions Required

Timeline

Published: Apr 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0523?

How severe is CVE-2023-0523?

CVE-2023-0523 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0523?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0523?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST