latest worm on facebook…do not click on shared link by your friend
may be it will harm your data and same message will display on your friend’s wall.
so please change your password as soon as possible.
remove applications which you have allowed lastly from your left panel just click on CLOSE
also remove mobile sms access for facebook.(necessary)
for mobile setting goto option Account > Account settings > mobile > click on remove
it is necessary if you clicked on link , facebook worm script fetch your data like userid , mobile number , etc.
using malicious script attacker can post message on your wall without accessing your account its possible using mobile sms spoofing. waiting for sometime facebook soon solve this bug.
and yes check your “like pages” by clicking on link , behind the process you joined spammer’s page. so unjoin page.
for that goto your wall and check all details , which affect your account , remove unwanted apps and pages from your account
keep it clean…!!