Facebook Like Plugin Joomla 1.5 -

You don't need a dedicated "Facebook Like plugin for Joomla 1.5." The manual iframe method is safer, lighter, and still works perfectly.

How to Add a Facebook Like Button to Joomla 1.5 (No Plugin Required) facebook like plugin joomla 1.5

Since Joomla 1.5 reached end-of-life in 2012, it is vulnerable. If possible, migrate to Joomla 4 or 5. For now, ensure your Facebook Like button does not load external scripts that could inject malicious code. You don't need a dedicated "Facebook Like plugin