CVE-2020-13263 - CVE House
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Status published High CVE-2020-13263

An authorization issue relating to project maintainer impersonation was identified...

Vulnerability Description

An authorization issue relating to project maintainer impersonation was identified in GitLab EE 9.5 and later through 13.0.1 that could allow unauthorized users to impersonate as a maintainer to perform limited actions.

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 @sky003 for reporting this vulnerability through our HackerOne bug bounty program

References

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CVE-2025-9642
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab
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CVE-2025-9484
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Medium 4.3

Affected Vendor

Affected Software

GitLab
Vulnerable Versions:
>=9.5, <12.9.8, >=12.10, <12.10.7, >=13.0, <13.0.1

Timeline

Official Publish: June 19th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.