title: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
description: An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.
problem types: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 13.7, status: affected, lessThan: 16.6.6, versionType: semver
version: 16.7, status: affected, lessThan: 16.7.4, versionType: semver
version: 16.8, status: affected, lessThan: 16.8.1, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: REQUIRED
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 6.4
baseSeverity: MEDIUM
]
solutions: Upgrade to versions 16.8.1, 16.7.4, 16.6.6 or above.