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authorDries Buytaert <dries@buytaert.net>2003-07-09 22:07:50 +0000
committerDries Buytaert <dries@buytaert.net>2003-07-09 22:07:50 +0000
commit9fd25fa520420896c921be045cc876439e33ed45 (patch)
treefa1b403ec955a849d7171432702ed103a68f2fb9 /includes/common.inc
parentc89f78aa4d825da0bce42ca4e8986d1a7fa58159 (diff)
downloadbrdo-9fd25fa520420896c921be045cc876439e33ed45.tar.gz
brdo-9fd25fa520420896c921be045cc876439e33ed45.tar.bz2
- Some more refinements
Diffstat (limited to 'includes/common.inc')
-rw-r--r--includes/common.inc6
1 files changed, 5 insertions, 1 deletions
diff --git a/includes/common.inc b/includes/common.inc
index 448cf5f09..ca717e506 100644
--- a/includes/common.inc
+++ b/includes/common.inc
@@ -483,9 +483,13 @@ function xss_check_input_data($data) {
** Detect evil input data.
*/
+ // check strings:
+ $match += preg_match("/\Wjavascript\s*:/i", $data);
+ $match += preg_match("/\Wexpression\s*\(/i", $data);
+ $match += preg_match("/\Walert\s*\(/i", $data);
+
// check attributes:
$match = preg_match("/\W(dynsrc|datasrc|data|lowsrc|on[a-z]+)\s*=[^>]+?>/i", $data);
- $match += preg_match("/\Wjavascript\s*:/i", $data);
// check tags:
$match += preg_match("/<\s*(applet|script|object|style|embed|form|blink|meta|html|frame|iframe|layer|ilayer|head|frameset|xml)/i", $data);