From 9019025222470462ea075560c287af4f260cdd8f Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 04 Dec 2012 03:21:09 -0500
Subject: [PATCH] - Fix XSS vulnerability in vbscript: and data:text links handling (#1488850)
---
program/lib/washtml.php | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index 0d4ffdb..d13d664 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -214,7 +214,7 @@
$key = strtolower($key);
$value = $node->getAttribute($key);
if (isset($this->_html_attribs[$key]) ||
- ($key == 'href' && !preg_match('!^javascript!i', $value)
+ ($key == 'href' && !preg_match('!^(javascript|vbscript|data:text)!i', $value)
&& preg_match('!^([a-z][a-z0-9.+-]+:|//|#).+!i', $value))
) {
$t .= ' ' . $key . '="' . htmlspecialchars($value, ENT_QUOTES) . '"';
--
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