diff options
| author | thomascube <thomas@roundcube.net> | 2011-12-10 01:33:58 +0000 |
|---|---|---|
| committer | thomascube <thomas@roundcube.net> | 2011-12-10 01:33:58 +0000 |
| commit | 854397b216463d77561b8adadf880c3fbbcb8885 (patch) | |
| tree | b4d6668a0babad435dd9862c8d3109b18a54a336 /program/steps/mail | |
| parent | 67e0c90fceb91d8b6c94275f96e6f1b80a9362bc (diff) | |
Better CSS url() validation
Diffstat (limited to 'program/steps/mail')
| -rw-r--r-- | program/steps/mail/func.inc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/program/steps/mail/func.inc b/program/steps/mail/func.inc index a0a4dcab7..2bc0091cb 100644 --- a/program/steps/mail/func.inc +++ b/program/steps/mail/func.inc @@ -834,8 +834,8 @@ function rcmail_washtml_callback($tagname, $attrib, $content, $washtml) $stripped = preg_replace('/[^a-zA-Z\(:;]/', '', rcmail_xss_entity_decode($content)); // now check for evil strings like expression, behavior or url() - if (!preg_match('/expression|behavior/i', $stripped)) { - if (!$washtml->get_config('allow_remote') && preg_match('/url\(|import[^a]/i', $stripped)) + if (!preg_match('/expression|behavior|javascript:|import[^a]/i', $stripped)) { + if (!$washtml->get_config('allow_remote') && stripos($stripped, 'url(')) $washtml->extlinks = true; else $out = html::tag('style', array('type' => 'text/css'), $content); |