CVE-2023-1836

Name: CVE-2023-1836
Creator: NVD / NIST
Published: 2023-05-03T21:15:17.807+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2023-1836 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5.1 before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. When viewing an XML file in a repository in "raw" mode, it can be made to render as HTML if viewed under specific circumstances

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Gitlab	Gitlab	>= 5.1, < 15.9.6
Gitlab	Gitlab	>= 15.10, < 15.10.5
Gitlab	Gitlab	>= 15.11, < 15.11.1

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1836.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/404613Broken Link
https://hackerone.com/reports/1923293Permissions Required
https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-1836.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/404613Broken Link
https://hackerone.com/reports/1923293Permissions Required

Timeline

Published: May 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1836?

How severe is CVE-2023-1836?

CVE-2023-1836 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1836?

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-2023-1836?

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

Scan your code now

Source: NVD / NIST