From 90715ee8ba42084908f7c452522d9202b45cfc37 Mon Sep 17 00:00:00 2001 From: thomasb Date: Fri, 28 Jan 2011 15:19:38 +0000 Subject: Don't block CSS styles having important keywords git-svn-id: https://svn.roundcube.net/trunk@4461 208e9e7b-5314-0410-a742-e7e81cd9613c --- roundcubemail/program/include/main.inc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'roundcubemail/program/include') diff --git a/roundcubemail/program/include/main.inc b/roundcubemail/program/include/main.inc index d79ba2ca4..7f4945692 100644 --- a/roundcubemail/program/include/main.inc +++ b/roundcubemail/program/include/main.inc @@ -872,8 +872,8 @@ function rcmail_mod_css_styles($source, $container_id) $replacements = new rcube_string_replacer; // ignore the whole block if evil styles are detected - $stripped = preg_replace('/[^a-z\(:]/', '', rcmail_xss_entity_decode($source)); - if (preg_match('/expression|behavior|url\(|import/', $stripped)) + $stripped = preg_replace('/[^a-z\(:;]/', '', rcmail_xss_entity_decode($source)); + if (preg_match('/expression|behavior|url\(|import[^a]/', $stripped)) return '/* evil! */'; // remove css comments (sometimes used for some ugly hacks) -- cgit v1.2.3