CVE-2023-25811

Persistent Cross site scripting (XSS) in Uptime Kuma

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.

Affected

louislam · uptime-kuma

CVSS v3.1 NVD

5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 GITHUB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:N

EPSS

0.47% chance of exploitation in the next 30 days, 40th percentile

Published

2023-02-21

Updated

2025-03-10

Proof-of-concept exploits (1)

• louislam/uptime-kuma/security/advisories/GHSA-553g-fcpf-m3wp

References

• CVE Record
• NVD entry