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CVE-2023-5933

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

6.4 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
None

Exploit likelihood

0.68%Up 0.6 points since Jan 31, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.4

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

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.

Record
CVE-2023-5933
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-80
Updated
2026-11-02
EUVDEUVD-2023-58205 6.4

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.

Record
EUVD-2023-58205
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-84m5-rqxq-483p 6.4

An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16...

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.

Record
GHSA-84m5-rqxq-483p
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-79, CWE-80
Updated
2026-11-02
NVD 6.4

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.

Record
CVE-2023-5933
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/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-80, CWE-79
Updated
2026-11-02
OSV 6.4

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

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.

Record
CVE-2023-5933
CVSS 3.1
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Weakness
CWE-80
Updated
2026-11-02
OSVUBUNTU-CVE-2023-5933 5.4

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.

Record
UBUNTU-CVE-2023-5933
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
6.4 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
Updated
2026-11-02
OSVBIT-gitlab-2023-5933 No score

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

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.

Record
BIT-gitlab-2023-5933
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
gitlab
Bitnami
 13.7.0 up to 16.6.6, 16.7.0 up to 16.7.4, 16.8.0 up to 16.8.1
16.6.616.7.416.8.1
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
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2023-5933 is a medium vulnerability (CVSS 6.4) in Gitlab, published January 26, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.68%, the 52nd percentile. Fixed in gitlab 16.6.6.

References

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