In the Kunena extension 5.0.2 through 5.0.4 for Joomla!, the forum message subject (aka topic subject) accepts JavaScript, leading to XSS. Six files are affected: crypsis/layouts/message/item/default.php, crypsis/layouts/message/item/top/default.php, crypsis/layouts/message/item/bottom/default.php, crypsisb3/layouts/message/item/default.php, crypsisb3/layouts/message/item/top/default.php, and crypsisb3/layouts/message/item/bottom/default.php. This is fixed in 5.0.5.
{
"source": "CPE_STRING",
"cpe": [
"cpe:2.3:a:kunena:kunena:5.0.2:*:*:*:*:joomla\\!:*:*",
"cpe:2.3:a:kunena:kunena:5.0.3:*:*:*:*:joomla\\!:*:*",
"cpe:2.3:a:kunena:kunena:5.0.4:*:*:*:*:joomla\\!:*:*"
],
"extracted_events": [
{
"introduced": "5.0.2"
},
{
"last_affected": "5.0.2"
},
{
"introduced": "5.0.3"
},
{
"last_affected": "5.0.3"
},
{
"introduced": "5.0.4"
},
{
"last_affected": "5.0.4"
}
]
}