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-rw-r--r--phpBB/includes/functions_user.php12
1 files changed, 11 insertions, 1 deletions
diff --git a/phpBB/includes/functions_user.php b/phpBB/includes/functions_user.php
index 86113899c7..fd077a796a 100644
--- a/phpBB/includes/functions_user.php
+++ b/phpBB/includes/functions_user.php
@@ -1112,6 +1112,13 @@ function user_ipwhois($ip)
{
$ipwhois = '';
+ // Check IP
+ // Only supporting IPv4 at the moment...
+ if (empty($ip) || !preg_match(get_preg_expression('ipv4'), $ip))
+ {
+ return '';
+ }
+
$match = array(
'#RIPE\.NET#is' => 'whois.ripe.net',
'#whois\.apnic\.net#is' => 'whois.apnic.net',
@@ -1147,7 +1154,10 @@ function user_ipwhois($ip)
}
}
- return $ipwhois;
+ $ipwhois = htmlspecialchars($ipwhois);
+
+ // Magic URL ;)
+ return trim(make_clickable($ipwhois, false, ''));
}
/**