vulnerability
MFSA2016-48 Firefox: Firefox Health Reports could accept events from untrusted domains (CVE-2016-2820)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Apr 26, 2016 | Apr 27, 2016 | Mar 27, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Apr 26, 2016
Added
Apr 27, 2016
Modified
Mar 27, 2026
Description
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.
Solution
mozilla-firefox-upgrade-46_0
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