description: Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
problem types: JavaScript unexpectedly enabled for the composition area
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 91.4.0, status: affected, version: unspecified, versionType: custom
}