Rapid7 Vulnerability & Exploit Database

MFSA2020-16 Firefox: Security Vulnerabilities fixed in Firefox 76 (CVE-2020-12391)

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MFSA2020-16 Firefox: Security Vulnerabilities fixed in Firefox 76 (CVE-2020-12391)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
05/05/2020
Created
05/08/2020
Added
05/06/2020
Modified
06/01/2020

Description

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

Solution(s)

  • mozilla-firefox-upgrade-76_0

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