description: An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.4. It was possible to exploit a stored cross-site-scripting in merge request via a specifically crafted branch name.
problem types: Improper neutralization of input during web page generation ('cross-site scripting') in GitLab
affected:
{
product: GitLab
vendor: GitLab
versions:
status: affected, version: >=13.4, <13.8.7
status: affected, version: >=13.9, <13.9.5
status: affected, version: >=13.10, <13.10.1
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.3
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
version: 3.1
]