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CVE-2016-2831

HIGH severity · CVSS 8.8 · CWE-254
8.8CVSS HIGH

Summary

Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2 do not ensure that the user approves the fullscreen and pointerlock settings, which allows remote attackers to cause a denial of service (UI outage), or conduct clickjacking or spoofing attacks, via a crafted web site.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactHigh
Exploit probability (EPSS)1%

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

Affected products we track (1)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.