Rapid7

vulnerability

Ubuntu: (Multiple Advisories) (CVE-2018-5166): Firefox vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
May 9, 2018
Added
May 22, 2018
Modified
Mar 27, 2026

Description

WebExtensions can use request redirection and a "filterReponseData" filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permission. This vulnerability affects Firefox < 60.

Solution

ubuntu-upgrade-firefox
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.