CVE-2026-71285

8.1 Élevée

Publiée le 05/08/2026 à 15:24 · Modifiée le 23/10/2026 à 23:10 · Analyse NVD reportée · Source : 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Description

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.

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Produits concernés

louislam uptime-kuma

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.1 Élevée	309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c	`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N`

Faiblesses (CWE)

CWE-79

Références

https://github.com/louislam/uptime-kuma
https://github.com/louislam/uptime-kuma/blob/master/server/analytics/matomo-analytics.js

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories