description: The ScratchLogin extension through 1.1 for MediaWiki does not escape verification failure messages, which allows users with administrator privileges to perform cross-site scripting (XSS).
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AC:L/AV:N/A:N/C:L/I:L/PR:H/S:C/UI:R
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: HIGH
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
baseScore: 4.8
baseSeverity: MEDIUM
]