[try with this is a java script i used this for my script 'cuz is simple:

HowTo Display Latest Active Threads on ANY normal HTML page

############# Install Instructions
## THIS WILL DISPLAY THE LATEST 10 ACTIVE THREADS ON ANY NON VBULLETIN HTML PAGE

## Requires vBulletin version 3.5.0 stable.(tested in 3.8.x)

## Admin Control Panel > vBulletin Options > vBulletin Options > Admin Control Panel Options > Use External Data Provider:
YES - type = JavaScript

## At any location in your custom .html page, add this code:

## Save the html file, upload it, and you're done.

Note: Don't forget to turn on the External Feed options here:

Admin CP -> vBulletin Options -> External Data Provider

PD: this can also be used in templates since i use it that way, to display latest threads of x forum in video directory]

Admin Control Panel > vBulletin Options > vBulletin Options > Admin Control Panel Options > Use External Data Provider:
YES - type = JavaScript

Admin Control Panel > vBulletin Options > vBulletin Options > Admin Control Panel Options

Use External Data Provider:
YES - type = JavaScript

Admin Control Panel Options

Admin Control Panel > vBulletin Options > vBulletin Options > Use External Data Provider

YES - type = JavaScript

enable java

Note: Don't forget to turn on the External Feed options here
:

At any location in your custom .html page, add this code: