CVE-2023-0050

An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8,...

8.7 HighFix available

An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. A specially crafted Kroki diagram could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

92.4%Up 92.4 points since Mar 10, 2023

What each source reports

CVE List Score used 8.7

Record: CVE-2023-0050
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Updated: 2026-11-02

EUVDEUVD-2023-12153 8.7

Record: EUVD-2023-12153
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-58vv-56m5-q92p 5.4

An issue has been discovered in GitLab affecting all versions starting from 13.7 before 15.7.8,...

Record: GHSA-58vv-56m5-q92p
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

NVD 8.7

Record: CVE-2023-0050
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/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 8.7

Record: CVE-2023-0050
CVSS 3.1: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2023-0050 5.4

Record: UBUNTU-CVE-2023-0050
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: 8.7 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Updated: 2026-11-02

OSVBIT-gitlab-2023-0050 No score

Record: BIT-gitlab-2023-0050
Updated: 2026-11-02

Affected products

gitlab

Affected packages

Affected packages
Package	Affected	Fixed
`gitlab` Bitnami	13.7.0 up to 15.7.8, 15.8.0 up to 15.8.4, 15.9.0 up to 15.9.2	15.7.815.8.415.9.2
`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 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-0050 is a high vulnerability (CVSS 8.7) in Gitlab, published March 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 92.4%, the 99th percentile. Fixed in gitlab 15.7.8.