Scanning a QR code that contained a javascript: URL would have resulted in the Javascript being executed.
{
"cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "25.0"
}
],
"source": "CPE_RANGE"
}