CVE-2020-26953

Summary

It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox< 83affected
MozillaFirefox ESR< 78.5affected
MozillaThunderbird< 78.5affected

Weaknesses

  • Fullscreen could be enabled without displaying the security UI

ADP Enrichment

CVE Program Container

Additional References

References