CVE-2015-7215

Mozilla: Cross-origin information leak through web workers error events (MFSA 2015-140)

Published Dec 16, 2015 CVSS 2.0 · 5.0 Medium EPSS 2.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2015-7147 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.
Ubuntu USN Ubuntu USN USN-2833-1 Firefox vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Aug 6, 2024, 7:43 AM
Reserved
Sep 16, 2015, 12:00 AM
Status
Modified
Published
Dec 16, 2015, 11:59 AM
Modified
Jun 17, 2026, 12:32 AM
Severity
Moderate
Public date
Dec 16, 2015, 12:00 AM