VULNERABILITY INTELLIGENCE
CVE-2015-7215
CVSS score5 MEDIUM
EPSS probability2.53%
CISA KEVNot currently listed
Published2015-12-16
Last modified2026-06-17
CVSS vectorAV:N/AC:L/Au:N/C:P/I:N/A:N
Description
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.
Weakness classification
- CWE-200: Exposure of Sensitive Information to an Unauthorized Actor