HIGHVulnerability
CVE-2026-71285
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.
Properties
- severity
- HIGH
- score
- 8.1
- cve_id
- CVE-2026-71285
- vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
- published_at
- 2026-08-05T13:24:53.210
- last_modified
- 2026-08-26T17:13:24.800
Related Entities (2)
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
DESCRIBED_BY (1)
→[Source]NVD
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