CVE-2020-6808

Description

When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to create an HTML document, which is then presented. Previously, this document's URL (as reported by the document.location property, for example) was the originating javascript: URL which could lead to spoofing attacks; it is now correctly the URL of the originating document. This vulnerability affects Firefox < 74.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2020-08/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1247968 issue tracking permissions required

Frequently Asked Questions

What is the severity of CVE-2020-6808?
CVE-2020-6808 has been scored as a medium severity vulnerability.
How to fix CVE-2020-6808?
To fix CVE-2020-6808, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-6808 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-6808 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-6808?
CVE-2020-6808 affects Mozilla Firefox.
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