CVE-2023-5933: Arbitrary API PUT requests via HTML injection in user’s name

Published Jan 25, 2024
·
Updated

An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.

Affected Software

7 affected componentsFixes available
GitLab GitLab>=13.7.0<16.6.6
GitLab GitLab>=13.7.0<16.6.6
GitLab GitLab>=16.7.0<16.7.4
GitLab GitLab>=16.7.0<16.7.4
GitLab GitLab=16.8.0
GitLab GitLab=16.8.0
GitLab GitLab>=13.7<16.6.6, >=16.7<16.7.4, >=16.8<16.8.1
16.6.616.7.416.8.1

Remediation

Information

Upgrade to versions 16.8.1, 16.7.4, 16.6.6 or above.

Event History

Jan 26, 2024
CVE Published
via MITRE·01:02 AM
Data Sourced
via MITRE·01:02 AM
RemedyDescriptionSeverityWeakness
Apr 22, 2026
Data Sourced
via GitLab·08:52 AM
DescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2023-5933?

The severity of CVE-2023-5933 is classified as critical due to improper input sanitization that allows arbitrary API PUT requests.

2

How do I fix CVE-2023-5933?

To fix CVE-2023-5933, update GitLab to versions 16.6.6, 16.7.4, or 16.8.1 or later.

3

Which versions of GitLab are affected by CVE-2023-5933?

CVE-2023-5933 affects GitLab CE/EE versions 13.7 to 16.6.6, 16.7 to 16.7.4, and 16.8 to 16.8.0.

4

What type of vulnerability is CVE-2023-5933?

CVE-2023-5933 is an input validation vulnerability that can lead to improper handling of API requests.

5

Is there a workaround for CVE-2023-5933?

Currently, the recommended solution for CVE-2023-5933 is to apply the latest updates to GitLab, as there are no specific workaround techniques.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203