CVE-2021-22183 - CVE House
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Status published Medium CVE-2021-22183

An issue has been discovered in GitLab affecting all versions...

Vulnerability Description

An issue has been discovered in GitLab affecting all versions starting with 11.8. GitLab was vulnerable to a stored XSS in the epics page, which could be exploited with user interactions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Thanks [mike12](https://hackerone.com/mike12) for reporting this vulnerability through our HackerOne bug bounty program

References

More from GitLab

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CVE-2025-9958
Insertion of Sensitive Information Into Sent Data in GitLab
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Incorrect Authorization in GitLab
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CVE-2025-9825
Missing Authorization in GitLab
Medium 5
CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
High 8.7
CVE-2025-9484
Missing Authorization in GitLab
Medium 4.3

Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=13.8, <13.8.2, >=13.7, <13.7.6, >=11.8, <13.6.6

Timeline

Official Publish: March 4th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.