Description
An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mozilla Firefox ESR
unspecified to < 91.9.1affected
Mozilla Firefox
unspecified to < 100.0.2affected
Mozilla Firefox for Android
unspecified to < 100.3.0affected
Mozilla Thunderbird
unspecified to < 91.9.1affected