CVE-2023-25811

PoC —

CVSS 3.1

5.4 medium

EPSS

<1%p40

Published

Feb 21, 2023 (Feb 21, 2023)

Modified

Jun 17, 2026

Description

Uptime Kuma is a self-hosted monitoring tool. In versions prior to 1.20.0 the Uptime Kuma `name` parameter allows a persistent XSS attack. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Vendors: uptime-kuma project
Products: uptime-kuma
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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