Rapid7 Vulnerability & Exploit Database

MFSA2021-43 Firefox: Security Vulnerabilities fixed in Firefox 93 (CVE-2021-38497)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

MFSA2021-43 Firefox: Security Vulnerabilities fixed in Firefox 93 (CVE-2021-38497)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
10/05/2021
Created
10/07/2021
Added
10/06/2021
Modified
11/26/2021

Description

Through use of reportValidity() and window.open(), a plain-text validation message could have been overlaid on another origin, leading to possible user confusion and spoofing attacks. This vulnerability affects Firefox < 93, Thunderbird < 91.2, and Firefox ESR < 91.2.

Solution(s)

  • mozilla-firefox-upgrade-93_0

References

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;