description: Sites can bypass security checks on permissions to install lightweight themes by manipulating the "baseURI" property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.
problem types: Lightweight themes can be installed without user interaction
affected:
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 52.8, status: affected, version: unspecified, versionType: custom
}
{
product: Thunderbird ESR
vendor: Mozilla
versions:
lessThan: 52.8, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 60, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 52.8, status: affected, version: unspecified, versionType: custom
}
