Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a content-spoofing attack in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an attacker-controlled error message to the user.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*"
],
"vendor_product": "nextcloud:nextcloud",
"extracted_events": [
{
"last_affected": "9.0.51"
},
{
"last_affected": "9.0.51"
},
{
"last_affected": "9.0.51"
}
],
"source": "CPE_RANGE"
}
]
}{
"cpe": "cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "9.0.3"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
]
}