description: Improper handling of user input in GitLab CE/EE versions 8.3 prior to 14.7.7, 14.8 prior to 14.8.5, and 14.9 prior to 14.9.2 allowed an attacker to exploit a stored XSS by abusing multi-word milestone references in issue descriptions, comments, etc.
problem types: Improper neutralization of input during web page generation ('cross-site scripting') in GitLab
affected:
{
product: GitLab
vendor: GitLab
versions:
status: affected, version: >=8.3.0, <14.7.7
status: affected, version: >=14.8.0, <14.8.5
status: affected, version: >=14.9.0, <14.9.2
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.7
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
version: 3.1
]