CVE-2023-1836

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5...

4.4 MediumFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.75%Up 0.7 points since May 4, 2023

What each source reports

CVE List Score used 4.4

Record: CVE-2023-1836
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

EUVDEUVD-2023-24038 4.4

Record: EUVD-2023-24038
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-93c3-fhhf-8qpv 4.4

A cross-site scripting issue has been discovered in GitLab affecting all versions starting from 5...

Record: GHSA-93c3-fhhf-8qpv
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 4.4

Record: CVE-2023-1836
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 4.4

Record: CVE-2023-1836
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-1836 5.4

Record: UBUNTU-CVE-2023-1836
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.1: 4.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2023-1836 No score

Record: BIT-gitlab-2023-1836
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	5.1.0 up to 15.9.6, 15.10.0 up to 15.10.5, 15.11.0 up to 15.11.1	15.9.615.10.515.11.1
`gitlab` Ubuntu:16.04:LTS	All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-1836 is a medium vulnerability (CVSS 4.4) in Gitlab, published May 3, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.75%, the 55th percentile. Fixed in gitlab 15.9.6.