CVE-2020-13336 - CVE House
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Status published Medium CVE-2020-13336

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

Vulnerability Description

An issue has been discovered in GitLab affecting versions from 11.8 before 12.10.13. GitLab was vulnerable to a stored XSS by in the error tracking feature.

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 responsibly reporting this vulnerability to us.

References

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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:
>=11.8, <12.10.13

Timeline

Official Publish: September 30th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.