CVE-2019-11761

Summary

By using a form with a data URI it was possible to gain access to the privileged JSONView object that had been cloned into content. Impact from exposing this object appears to be minimal, however it was a bypass of existing defense in depth mechanisms. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefoxbefore 70affected
MozillaThunderbirdbefore 68.2affected
MozillaFirefox ESRbefore 68.2affected

Weaknesses

  • Unintended access to a privileged JSONView object

ADP Enrichment

CVE Program Container

Additional References

References