WordPress Plugin BuddyPress 1.9.1 - Privilege Escalation

# Exploit Title: Wordpress plugin Buddypress <= 1.9.1 privilege escalation

# Date: 11/02/2014

# Exploit Author: Pietro Oliva

# Vendor Homepage: http://buddypress.org

# Software Link: http://downloads.wordpress.org/plugin/buddypress.1.9.1.zip

# Version: 1.9.1

# CVE : [CVE-2014-1889]

# Vulnerability patched in version 1.9.2



it is possible to perform a privilege escalation attack due to a lack of

permissions check in the group creation process. A malicious user could

exploit this vulnerability to take control of every group (change name,

description, avatar and settings).

To exploit this vulnerability you have to follow these steps:



1) Create a cookie named bp_new_group_id=<id_of_victim_group>

2) Visit the url http://example.com/groups/create/step/group-details/

3) Enjoy the power