CVE-2020-26962

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=610997 issue tracking permissions required vendor advisory
https://www.mozilla.org/security/advisories/mfsa2020-50/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-26962?
CVE-2020-26962 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26962?
To fix CVE-2020-26962, 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-2020-26962 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26962 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-2020-26962?
CVE-2020-26962 affects Mozilla Firefox.
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