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authorAleksander Machniak <alec@alec.pl>2012-12-04 09:17:08 +0100
committerAleksander Machniak <alec@alec.pl>2012-12-04 09:17:08 +0100
commit74cd0a9b62f11bc07c5a1d3ba0098b54883eb0ba (patch)
tree005192c324221b18ed83994de18c10b14ec42eff /program/lib
parent0fa54df638a0b0f514d1bfba3cefb93e38991a35 (diff)
- Fix XSS vulnerability in vbscript: and data:text links handling (#1488850)
Diffstat (limited to 'program/lib')
-rw-r--r--program/lib/washtml.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/program/lib/washtml.php b/program/lib/washtml.php
index 0d4ffdb4b..d13d66404 100644
--- a/program/lib/washtml.php
+++ b/program/lib/washtml.php
@@ -214,7 +214,7 @@ class washtml
$key = strtolower($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) . '"';