CVE-2017-5393: XSS

Published Jan 24, 2017
·
Updated

The "mozAddonManager" allows for the installation of extensions from the CDN for addons.mozilla.org, a publicly accessible site. This could allow malicious extensions to install additional extensions from the CDN in combination with an XSS attack on Mozilla AMO sites. This vulnerability affects Firefox < 51.

Other sources

The mozAddonManager allows for the installation of extensions from the CDN for addons.mozilla.org, a publicly accessible site. This could allow malicious extensions to install additional extensions from the CDN in combination with an XSS attack on Mozilla AMO sites.

Affected Software

2 affected componentsFixes available
Mozilla Firefox<51
51
Mozilla Firefox<51.0

Event History

Jan 24, 2017
CVE Published
12:00 AM
Jun 11, 2018
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2017-5393?

CVE-2017-5393 is classified as a moderate risk vulnerability that can allow the installation of malicious extensions.

2

How do I fix CVE-2017-5393?

To mitigate CVE-2017-5393, users should update their Mozilla Firefox to version 51 or higher.

3

What software is affected by CVE-2017-5393?

CVE-2017-5393 affects Mozilla Firefox versions prior to 51.

4

Can CVE-2017-5393 be exploited through an XSS attack?

Yes, CVE-2017-5393 can be exploited in combination with an XSS attack on Mozilla AMO sites.

5

What types of attacks can CVE-2017-5393 enable?

CVE-2017-5393 can enable the installation of additional malicious extensions without user consent.

Contact

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