title: Persistent Cross site scripting (XSS) through description in status page in Uptime Kuma
description: Uptime Kuma is a self-hosted monitoring tool. In versions prior to 1.20.0 the Uptime Kuma status page allows a persistent XSS attack. Users are advised to upgrade. There are no known workarounds for this vulnerability.
problem types: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
vendor: louislam
product: uptime-kuma
versions:
version: < 1.20.0, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.3
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N
version: 3.1
]