A unicode RTL order character in the downloaded file name can be used to change the file’s name during the download UI flow to change the file extension. This vulnerability affects Firefox for iOS < 28.
[
{
"product": "Firefox for iOS",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "28",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]