The following small code of python grabs all the inputs from the html page or templates in a project and gives you a clear picture to attack and fuzz.

inputparser.py

from os import listdir
from os.path import isfile, join
import re
from os import walk
from bs4 import BeautifulSoup


def fileGetter():
    fileNames = []
    mypath='<folder_name>'
    for (dirPath, dirNames, fileName) in walk(mypath):
        for fn in fileName:

           fileNames.append(dirPath+'/'+fn)
    return fileNames   

def grabInputTag(fileNames):
 inputTagFiles=[]    
 for filePath in fileNames:
    
    with open(filePath) as f:
      try:
        data=f.read()
        match=re.findall(r'<input',data)

        if len(match)> 0:
            inputTagFiles.append(filePath)
        
        else :
            pass
      except Exception as e:
          print (e)  
 return inputTagFiles  

def getAllInputAttributes(inputTagFileNames):
    inputTags=[]
    for itf in inputTagFileNames:
        with open(itf) as f:
            data=f.read()
            soup = BeautifulSoup(data)
            try:
             form = soup.find('form')
             for nameAttr in form.findAll('input'):
                  inputTags.append(nameAttr.get('name'))
             for nameAttr in form.findAll('textarea'):
                  inputTags.append(nameAttr.get('name'))
              

            except Exception as e:
                #print (e) 
                pass
    return inputTags  
  
fileNames=fileGetter()
inputTagFileNames=grabInputTag(fileNames)
inputTags=list(set(getAllInputAttributes(inputTagFileNames)))
print (inputTags)