6.8
CVSSv2

CVE-2016-1949

Published: 13/02/2016 Updated: 06/12/2016
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

Mozilla Firefox prior to 44.0.2 does not properly restrict the interaction between Service Workers and plugins, which allows remote malicious users to bypass the Same Origin Policy via a crafted web site that triggers spoofed responses to requests that use NPAPI, as demonstrated by a request for a crossdomain.xml file.

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mozilla firefox

Vendor Advisories

A same-origin-policy bypass was discovered in Firefox ...
Mozilla Foundation Security Advisory 2016-13 Same-origin-policy violation using Service Workers with plugins Announced February 11, 2016 Reporter Jason Pang Impact Critical Products Firefox Fixed in ...
Mozilla Firefox before 4402 does not properly restrict the interaction between Service Workers and plugins, which allows remote attackers to bypass the Same Origin Policy via a crafted web site that triggers spoofed responses to requests that use NPAPI, as demonstrated by a request for a crossdomainxml file ...