CVE-2023-0050
MediumA 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.
Published Mar 9, 2023 · Updated Sep 11, 2026 · Also known as BIT-gitlab-2023-0050, UBUNTU-CVE-2023-0050
Key Facts
Patch immediately- CVE-2023-0050 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting GitLab.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 92% probability of exploitation in the next 30 days.
- Fixed versions are available, including GitLab 15.10.8+ds1-2, GitLab 15.7.8, GitLab 15.8.4.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
5.4
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
92%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2023-0050 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Affected Products
6 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| GitLabGitlab | >= 13.7.0, >= >=13.7, <15.7.8 | 15.7.8 |
Patched Releases
GitLab
15.10.8+ds1-2, 15.7.8, 15.8.4, 15.9.2
Timeline
Publicly disclosed
Mar 9, 2023
Last updated
Sep 11, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0050.json
- advisoryhttps://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0050.json
- advisoryhttps://ubuntu.com/security/CVE-2023-0050
- advisoryhttps://www.cve.org/CVERecord?id=CVE-2023-0050
- articlehttps://nvd.nist.gov/vuln/detail/CVE-2023-0050
FAQ
Common Questions.
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.
Affected: GitLab versions >= 13.7.0, >= >=13.7, <15.7.8. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including GitLab 15.10.8+ds1-2, GitLab 15.7.8, GitLab 15.8.4.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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