CVE-2020-13321

HighCVSS 8.3/10Last modified Jun 17, 2026

Description

A vulnerability was discovered in GitLab versions prior to 13.1. Username format restrictions could be bypassed allowing for html tags to be added.

Metrics

CVSS 3.1 8.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected software

VendorProductVersions
GitLabGitLab<12.10.13; >=13.0, <13.0.8; >=13.1, <13.1.2

References

Timeline

Published
Sep 30, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-133227.2A vulnerability was discovered in GitLab versions after 12.9. Due to improper verification of permissions, an unauthorized user can create aCVE-2020-133237.7A vulnerability was discovered in GitLab versions prior 13.1. Under certain conditions private merge requests could be read via TodosCVE-2020-133246.5A vulnerability was discovered in GitLab versions prior to 13.1. Under certain conditions the private activity of a user could be exposed viCVE-2020-133257.1A vulnerability was discovered in GitLab versions prior 13.1. The comment section of the issue page was not restricting the characters propeCVE-2020-133264.3A vulnerability was discovered in GitLab versions prior to 13.1. Under certain conditions the restriction for Github project import could beCVE-2020-133277.5An issue has been discovered in GitLab Runner affecting all versions starting from 13.4.0 before 13.4.2, all versions starting from 13.3.0 bCVE-2020-133284.8An issue has been discovered in GitLab affecting versions prior to 13.1.2, 13.0.8 and 12.10.13. GitLab was vulnerable to a stored XSS by usiCVE-2020-133296.5An issue has been discovered in GitLab affecting versions from 12.6.2 prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the bloCVE-2020-13336.7An elevation of privilege vulnerability exists when Group Policy Services Policy Processing improperly handle reparse points, aka 'Group PolCVE-2020-133305.4An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS in import the Bitbucket pCVE-2020-133315.4An issue has been discovered in GitLab affecting versions prior to 12.10.13. GitLab was vulnerable to a stored XSS by in the Wiki pasges.CVE-2020-133334.3A potential DOS vulnerability was discovered in GitLab versions 13.1, 13.2 and 13.3. The api to update an asset as a link from a release had
CVE-2020-13321: High severity, CVSS 8.3 | Vulnix