Index: typo3_src/typo3/sysext/core/Classes/Utility/GeneralUtility.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- typo3_src/typo3/sysext/core/Classes/Utility/GeneralUtility.php	(revision ede0978c321ee3a42d08bd457463b20208c23826)
+++ typo3_src/typo3/sysext/core/Classes/Utility/GeneralUtility.php	(revision )
@@ -1302,9 +1302,12 @@
 	 * @return boolean Whether the given URL is valid
 	 */
 	static public function isValidUrl($url) {
+		$parsedUrl = parse_url($url);
 		require_once PATH_typo3 . 'contrib/idna/idna_convert.class.php';
 		$IDN = new \idna_convert(array('idn_version' => 2008));
-		return filter_var($IDN->encode($url), FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED) !== FALSE;
+		$parsedUrl['host'] = $IDN->encode($parsedUrl['host']);
+		$url = HttpUtility::buildUrl($parsedUrl);
+		return filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED) !== FALSE;
 	}
 
 	/*************************