What version are you running?
reviewboard 1.7
What's the URL of the page containing the problem?
http://reviews.reviewboard.org/r/<new_request_number>
What steps will reproduce the problem?
1. Create a new review request
2. Do not fill in one or more of the following required fields : Summary, People
3. Publish review
What is the expected output? What do you see instead?
Expected : review should not be successfully published if a required field is left empty.
Actual : review successfully published.
OS
Ubuntu 12.04 LTS, Firefox 15.0.1