Very Weird Issue With VBulletin

[boxingscene]

I woke up this morning with dozens of complains from users that "smilies" no longer show up, or embedded videos or the "view post" button when quoting a thread. I have no idea what might be causing this issue.

[Lynne]

Are you also having this problem? Have you looked in your error_logs?

[Beav`]

Do you have the word 'src' set as a censored word? Looking at the source of your forums, anything with the word 'src' in it (such as your img elements etc) is replaced with ***

[Mark Fortune]

This could also be a problem with the cache. You may want to review your .htaccess file if you have one.