CVE-2023-2442

high-risk
Published 2023-06-07

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.

Do I need to act?

!
84.4% chance of exploitation in next 30 days
EPSS score — higher than 16% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.7/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Gitlab

References (7)

Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/409346
Permissions Required https://hackerone.com/reports/1965750
Vendor Advisory https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/409346
Permissions Required https://hackerone.com/reports/1965750
Broken Link https://gitlab.com/gitlab-org/gitlab/-/issues/409346
57
/ 100
high-risk
Severity 30/34 · Critical
Exploitability 20/34 · Moderate
Exposure 7/34 · Low