CVE-2023-2442
MediumPublic exploitA specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.
Published Jun 7, 2023 · Updated Sep 11, 2026 · Also known as BIT-gitlab-2023-2442, UBUNTU-CVE-2023-2442
Key Facts
Patch immediately- CVE-2023-2442 is a medium-severity vulnerability (CVSS 5.4 v3.1) affecting GitLab.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 96% probability of exploitation in the next 30 days.
- Fixed versions are available, including GitLab 15.10.8+ds1-2, GitLab 15.11.7, GitLab 16.0.2.
- 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)
96%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-2442 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 CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request 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 | >= 15.11.0, >= >=15.11, <15.11.7 | 15.11.7 |
Patched Releases
GitLab
15.10.8+ds1-2, 15.11.7, 16.0.2
Timeline
Publicly disclosed
Jun 7, 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/2023/2xxx/CVE-2023-2442.json
- advisoryhttps://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json
- advisoryhttps://hackerone.com/reports/1965750
- advisoryhttps://ubuntu.com/security/CVE-2023-2442
- advisoryhttps://www.cve.org/CVERecord?id=CVE-2023-2442
FAQ
Common Questions.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2.
Affected: GitLab versions >= 15.11.0, >= >=15.11, <15.11.7. 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.
Public exploit code is available.
Fixed versions are available, including GitLab 15.10.8+ds1-2, GitLab 15.11.7, GitLab 16.0.2.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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