CVE-2023-25811

MEDIUM 5.4CVE-2023-25811 · Published 21/02/2023 · updated 17/06/2026

In short

CVE-2023-25811 is a MEDIUM (CVSS 5.4) vulnerability affecting uptime-kuma (uptime-kuma project).
Chance of exploitation in the next 30 days (EPSS): 0.47%, higher than 41.1% of all vulnerabilities.
Fix: update to 1.20.0 or later.

Package	Affected versions	Patched versions
uptime-kuma uptime-kuma_project	`< 1.20.0`	`1.20.0`

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.

References

louislam/uptime-kuma security advisory · Exploit

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