Bug #73354 [NEW]: URL filter validator broken

From: mehulmpt at gmail dot com Operating system: All PHP version: Irrelevant Package: Filter related Bug Type: Bug Bug description:URL filter validator broken Description: ------------ filter validate URL is broken for non HTTP(s) protocols as it allows a variety of URLs to pass through though they are not valid URLs (possible XSS attacks if URL is displayed after validating) Test script: --------------- <?php echo filter_var("ftp://oscarotero.com;<script>alert()</script>", FILTER_VALIDATE_URL); // outputs JS alert box. ?> -- Edit bug report at https://bugs.php.net/bug.php?id=73354&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=73354&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=73354&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=73354&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=73354&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=73354&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=73354&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=73354&r=needscript Try newer version: https://bugs.php.net/fix.php?id=73354&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=73354&r=support Expected behavior: https://bugs.php.net/fix.php?id=73354&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=73354&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=73354&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=73354&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=73354&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=73354&r=dst IIS Stability: https://bugs.php.net/fix.php?id=73354&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=73354&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=73354&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=73354&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=73354&r=mysqlcfg