CVE-2024-26283: High severity Mozilla Firefox vulnerability

Published Feb 19, 2024
·
Updated

An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme.

Affected Software

3 affected components
All of the following
Mozilla Firefox=123
Apple iOS
Mozilla Firefox Iphone Os<123.0

Event History

Feb 19, 2024
CVE Published
via Mozilla·12:00 AM
Feb 22, 2024
CVE Published
via MITRE·02:56 PM
Data Sourced
via MITRE·02:56 PM
DescriptionWeakness
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2024-26283?

CVE-2024-26283 has been classified as a critical severity vulnerability.

2

How do I fix CVE-2024-26283?

To fix CVE-2024-26283, update your Mozilla Firefox browser to version 124 or later.

3

What platforms are affected by CVE-2024-26283?

CVE-2024-26283 affects Mozilla Firefox version 123 and Apple iOS.

4

What does CVE-2024-26283 exploit?

CVE-2024-26283 exploits the ability to execute unauthorized scripts using a JavaScript URI.

5

Can CVE-2024-26283 affect websites?

Yes, CVE-2024-26283 can affect top origin sites by allowing unauthorized script execution.

Contact

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