In Joomla! before 3.9.19, lack of input validation in the heading tag option of the "Articles - Newsflash" and "Articles - Categories" modules allows XSS.
{
"unresolved_ranges": [
{
"source": "CPE_STRING",
"vendor_product": "joomla:joomla!",
"extracted_events": [
{
"introduced": "3.0.0-alpha1"
},
{
"last_affected": "3.0.0-alpha1"
},
{
"introduced": "3.0.0-alpha2"
},
{
"last_affected": "3.0.0-alpha2"
}
],
"cpes": [
"cpe:2.3:a:joomla:joomla\\!:3.0.0:alpha1:*:*:*:*:*:*",
"cpe:2.3:a:joomla:joomla\\!:3.0.0:alpha2:*:*:*:*:*:*"
]
}
]
}{
"source": [
"CPE_RANGE",
"CPE_STRING"
],
"cpe": [
"cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
"cpe:2.3:a:joomla:joomla\\!:3.0.0:-:*:*:*:*:*:*",
"cpe:2.3:a:joomla:joomla\\!:3.0.0:beta1:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "3.0.1"
},
{
"fixed": "3.9.19"
},
{
"introduced": "3.0.0-NA"
},
{
"last_affected": "3.0.0-NA"
},
{
"introduced": "3.0.0-beta1"
},
{
"last_affected": "3.0.0-beta1"
}
]
}