Same Origin Policy Bypass in Firefox Web Workers API Implementation

CVE-2015-7215 · MEDIUM Severity

AV:N/AC:L/AU:N/C:P/I:N/A:N

The importScripts function in the Web Workers API implementation in Mozilla Firefox before 43.0 allows remote attackers to bypass the Same Origin Policy by triggering use of the no-cors mode in the fetch API to attempt resource access that throws an exception, leading to information disclosure after a rethrow.

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