Vulnerability Database

315,050

Total vulnerabilities in the database

CVE-2016-2820

The Firefox Health Reports (aka FHR or about:healthreport) feature in Mozilla Firefox before 46.0 does not properly restrict the origin of events, which makes it easier for remote attackers to modify sharing preferences by leveraging access to the remote-report IFRAME element.

  • Published: Apr 30, 2016
  • Updated: Nov 9, 2025
  • CVE: CVE-2016-2820
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N