The good news? You don't need a plugin. You can add the Facebook Like button manually in under 2 minutes.
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.
Most legacy plugins use outdated Facebook APIs (like the old XFBML). Facebook no longer supports those. The method below uses the current, stable iframe version . facebook like plugin joomla 1.5
How to Add a Facebook Like Button to Joomla 1.5 (No Plugin Required)
<iframe src="https://www.facebook.com/plugins/like.php?href=<?php echo urlencode(JURI::current()); ?>&layout=button_count&action=like&show_faces=false&share=false" scrolling="no" frameborder="0" style="border:none; width:150px; height:25px"></iframe> Note: This requires setting your editor to "No Editor" or editing the template HTML. The good news
Leave a comment below (if your Joomla 1.5 contact form still works!). Disclaimer: This post is for legacy maintenance only. Always plan to upgrade from Joomla 1.5 for security and performance.
You don't need a dedicated "Facebook Like plugin for Joomla 1.5." The manual iframe method is safer, lighter, and still works perfectly. Since Joomla 1
If you are still running a Joomla 1.5 site, you know the struggle: most modern plugins no longer support your version. Finding a dedicated "Facebook Like plugin" for Joomla 1.5 is nearly impossible today.