CyberRota Analysis
AI-GeneratedThe vulnerability affects Uptime Kuma's Matomo analytics integration within Java, where an improperly sanitized `siteId` value can lead to arbitrary JavaScript execution on public status pages. This flaw allows attackers to inject malicious scripts, potentially resulting in session-cookie theft and full page takeover for any unauthenticated visitor. Organizations using Uptime Kuma with Matomo analytics should prioritize patching this vulnerability to safeguard against these critical security risks.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD 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.