CVE-2015-7215

Name: CVE-2015-7215
Creator: NVD / NIST
Published: 2015-12-16T11:59:13.54+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.53%

Last modified Jun 17, 2026

CVE-2015-7215 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.53% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.53%

82.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Fedoraproject	Fedora	22
Fedoraproject	Fedora	23
Opensuse	Leap	42.1
Opensuse	Opensuse	13.1
Opensuse	Opensuse	13.2
Mozilla	Firefox	<= 42.0

References

Timeline

Published: Dec 16, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-7215?

How severe is CVE-2015-7215?

Severity scoring for CVE-2015-7215 is pending analysis. The EPSS model estimates a 2.53% probability of exploitation in the next 30 days.

How do I fix CVE-2015-7215?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-7215?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST