8.1highHigh

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

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, an administrative account is needed.
  • Beyond that, someone has to be persuaded to take an action first.

Scoring

CVSS
8.1 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N
Weakness
CWE-79
Assigned by
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c

Dates

Published
2026-08-05
Last modified
2026-08-26
Sources
NVD

References