CVE-2017-7798

Name of the Vulnerable Software and Affected Versions Firefox ESR versions prior to 52.3 Firefox versions prior to 55

Description The Developer Tools feature has a XUL injection issue due to improper sanitization of web page source code. This could allow arbitrary code execution when opening a malicious page with the style editor tool.

Recommendations For Firefox ESR versions prior to 52.3, update to version 52.3 or later. For Firefox versions prior to 55, update to version 55 or later.