description: Video files loaded video captions cross-origin without checking for the presence of CORS headers permitting such cross-origin use, leading to potential information disclosure for video captions. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
problem types: Cross-origin reading of video captions in violation of CORS
affected:
{
product: Firefox
vendor: Mozilla
versions:
lessThan: 52, status: affected, version: unspecified, versionType: custom
}
{
product: Firefox ESR
vendor: Mozilla
versions:
lessThan: 45.8, status: affected, version: unspecified, versionType: custom
}
{
product: Thunderbird
vendor: Mozilla
versions:
lessThan: 52, status: affected, version: unspecified, versionType: custom
lessThan: 45.8, status: affected, version: unspecified, versionType: custom
}
