Distributors of nulled scripts do not "crack" software for charity. They frequently inject , such as backdoors, which allow them to bypass your security and gain full administrative access to your website at any time.

If you're using or considering using vBulletin, it's highly recommended to:

Instead of risking your community’s data with a nulled version of vBulletin 3.8.7, consider these modern, legal options:

Using nulled versions like this one carries significant dangers for your website and its users:

: Critical vulnerabilities for vBulletin are frequently exploited shortly after disclosure, targeting sites that have not upgraded to modern, supported versions. Technical Obsolescence Vbulletin 3.8.7 and PHP 5.2.17 Concerns - Stack Overflow

to save on licensing costs, this shortcut often leads to long-term disaster.

Suddenly, the "Who's Online" widget at the bottom of the page updated.

Given the specificity of your query and the potential implications of seeking or using "nulled" software, here are some general points to consider: