Vulnerability Database

314,433

Total vulnerabilities in the database

CVE-2019-9808

If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originating domain. The notification states "Unknown origin" as the requestee, leading to user confusion about which site is asking for this permission. This vulnerability affects Firefox < 66.

  • Published: Apr 26, 2019
  • Updated: Nov 9, 2025
  • CVE: CVE-2019-9808
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:P/A:N

CWEs:

Software From Fixed in
mozilla / firefox - 66.0