CVE-2020-12412
First published: Tue Oct 22 2019(Updated: )
By navigating a tab using the history API, an attacker could cause the address bar to display the incorrect domain (with the https:// scheme, a blocked port number such as '1', and without a lock icon) while controlling the page contents.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox | <70 | 70 |
| <70 | 70 | |
| Mozilla Firefox | <70.0 |
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Reference Links
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2020-12412?
CVE-2020-12412 is a vulnerability in Mozilla Firefox that allows an attacker to manipulate the address bar to display an incorrect domain.
How does CVE-2020-12412 work?
CVE-2020-12412 works by using the history API to navigate a tab and control the page contents, causing the address bar to display the incorrect domain.
What is the severity of CVE-2020-12412?
CVE-2020-12412 has a severity level of medium.
Which version of Mozilla Firefox is affected by CVE-2020-12412?
Mozilla Firefox version 70 (up to exclusive) is affected by CVE-2020-12412.
How can I fix CVE-2020-12412?
To fix CVE-2020-12412, update Mozilla Firefox to a version higher than 70.
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