Known exploited vulnerability

CVE-2015-4495

Mozilla Firefox Security Feature Bypass Vulnerability

What is affected

Vendor Mozilla
Product Firefox
Weakness CWE-200

The vulnerability

Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.

Required action

Apply updates per vendor instructions.

US federal civilian agencies were required to act by 15 June 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.

Where this comes from

Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 11 Nov 2026, 21:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.

NVD record ↗ CVE.org record ↗

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