Following are few bugs which i faced

1.Spelling mistakes
2. Problems with special characters like Single quote('),<,>,
3. Session Expire
4. Web sites are not working on browsers like Mozilla, Opera
and Netscape Navigator
5.Wrong Message or lengthy messages
6. Java Script Error(Permission denied, Object not identified)
7.Data base connection error
8.after log out we are able to see pages using browser back
button
9.If we copy and paste the URL in another browser still the
page gets open and we able to access whole site.