CVE-2015-4502

Name: CVE-2015-4502
Creator: NVD / NIST
Published: 2015-09-24T04:59:04.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.15%

Last modified Jun 17, 2026

CVE-2015-4502 is a vulnerability of currently unknown severity. js/src/proxy/Proxy.cpp in Mozilla Firefox before 41.0 mishandles certain receiver arguments, which allows remote attackers to bypass intended window access restrictions via a crafted web site.. EPSS estimates a 2.15% chance of exploitation in the next 30 days.

Description

js/src/proxy/Proxy.cpp in Mozilla Firefox before 41.0 mishandles certain receiver arguments, which allows remote attackers to bypass intended window access restrictions via a crafted web site.

Metrics

EPSS Probability

2.15%

79.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-254

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 40.0.3

References

Timeline

Published: Sep 24, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4502?

js/src/proxy/Proxy.cpp in Mozilla Firefox before 41.0 mishandles certain receiver arguments, which allows remote attackers to bypass intended window access restrictions via a crafted web site.

How severe is CVE-2015-4502?

Severity scoring for CVE-2015-4502 is pending analysis. The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4502?

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-2015-4502?

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

Scan your code now

Source: NVD / NIST