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Diffstat (limited to 'phpBB/includes/functions.php')
| -rw-r--r-- | phpBB/includes/functions.php | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 4fdeb12d3a..0cf1ab0f24 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -2352,6 +2352,12 @@ function redirect($url, $return = false, $disable_cd_check = false) trigger_error('INSECURE_REDIRECT', E_USER_ERROR); } + // Make sure we don't redirect to external URLs + if (!$disable_cd_check && strpos($url, generate_board_url(true) . '/') !== 0) + { + trigger_error('Tried to redirect to potentially insecure url.', E_USER_ERROR); + } + // Make sure no linebreaks are there... to prevent http response splitting for PHP < 4.4.2 if (strpos(urldecode($url), "\n") !== false || strpos(urldecode($url), "\r") !== false || strpos($url, ';') !== false) { |