If WebRTC permission is requested from documents with data: or blob: URLs, the permission notifications do not properly display the originating domain
Published Apr 26, 2019
5.3
MEDIUMCVSS 3.0
EPSS 0.40%
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 products
-
- Version unspecifiedStatusaffectedConstraints<66
- Version
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.40% (0.00397) | 31.47th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.40% (0.00397) | 33.72th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00090) | 39.04th | v3 (v2023.03.01) |
| Jun 26, 2024 | 0.09% (0.00090) | 38.89th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00090) | 36.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.46% (0.05463) | 76.57th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.91% (0.02909) | 64.88th | v1 |
| Jan 6, 2022 | 2.91% (0.02909) | 64.55th | v1 |
| Jan 5, 2022 | 0.66% (0.00663) | 48.81th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
References (2)
- https://bugzilla.mozilla.org/show_bug.cgi?id=1434634 x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-07/ x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1434634 | x_refsource_MISCIssue TrackingPermissions RequiredVendor Advisory | |
| https://www.mozilla.org/security/advisories/mfsa2019-07/ | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.