CVE-2019-9808

Published: Apr 26, 2019Modified: Jun 17, 2026

5.3

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploitability: 3.9 / Impact: 1.4

Source: NVD

Description

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.

Affected (1)

Products: Mozilla: Firefox

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 66.0

Related CWEs

Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References (4)

https://bugzilla.mozilla.org/show_bug.cgi?id=1434634

Source: security@mozilla.org

Issue TrackingPermissions RequiredVendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-07/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1434634

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPermissions RequiredVendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-07/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.