CVE-2016-9901

Description

HTML tags received from the Pocket server will be processed without sanitization and any JavaScript code executed will be run in the "about:pocket-saved" (unprivileged) page, giving it access to Pocket's messaging API through HTML injection. This vulnerability affects Firefox ESR < 45.6 and Firefox < 50.1.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.22% Top 20%
Vendor Advisory gentoo.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox ESR
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2016-94/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2016-95/ vendor advisory
http://www.securityfocus.com/bid/94885 vdb entry third party advisory
http://www.securitytracker.com/id/1037461 vdb entry third party advisory
https://security.gentoo.org/glsa/201701-15 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-2973.html third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1320057 issue tracking patch
http://rhn.redhat.com/errata/RHSA-2016-2946.html third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-9901?
CVE-2016-9901 has been scored as a critical severity vulnerability.
How to fix CVE-2016-9901?
To fix CVE-2016-9901, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9901 being actively exploited in the wild?
It is possible that CVE-2016-9901 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-9901?
CVE-2016-9901 affects Mozilla Firefox ESR, Mozilla Firefox.
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