Rapid7 Vulnerability & Exploit Database

MFSA2020-50 Firefox: Security Vulnerabilities fixed in Firefox 83 (CVE-2020-26962)

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MFSA2020-50 Firefox: Security Vulnerabilities fixed in Firefox 83 (CVE-2020-26962)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
11/17/2020
Created
11/19/2020
Added
11/18/2020
Modified
12/14/2020

Description

Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83.

Solution(s)

  • mozilla-firefox-upgrade-83_0

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