CVE-2018-12398

Medium

Description

By using the reflected URL in some special resource URIs, such as chrome:, it is possible to inject stylesheets and bypass Content Security Policy (CSP). This vulnerability affects Firefox < 63.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedFeb 28, 2019
First seenFeb 28, 2019

How to fix

Update
  • mozilla firefox63.0 or later
Vendor advisories

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 63.063.0
canonical ubuntu_linux14.04, 16.04, 18.04, 18.10—

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