CVE-2023-5512

Improper Control of Generation of Code ('Code Injection') in GitLab

An issue has been discovered in GitLab CE/EE affecting all versions from 16.3 before 16.4.4, all versions starting from 16.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when specific HTML encoding is used for file names leading for incorrect representation in the UI.

Affected

GitLab

CVSS v3.1 NVD

5.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

CVSS v3.1 GITLAB

4.8 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

EPSS

0.49% chance of exploitation in the next 30 days, 41st percentile

Published

2023-12-15

Updated

2026-04-28

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2194607

References

• CVE Record
• NVD entry