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CVE-2026-71285highCWE-79

Uptime Kuma Stored XSS via Matomo Analytics Site ID on Public Status Pages

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 8.1epss 0.4%
probabilidad de explotación
0.4%top 71% de las CVE
explotación observada
noninguna fuente lo reporta
Uptime Kuma's Matomo analytics integration (server/analytics/matomo-analytics.js) injects the admin-configurable Matomo value as a bare, unquoted JavaScript expression inside a <script> block rendered on every public status page. A siteId value such as , once saved by an editor/admin, executes arbitrary JavaScript for every unauthenticated visitor of the public /status/<slug> page, enabling session-cookie theft and full page takeover.
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
Productos afectados
louislam · uptime-kuma