I need to know how many vulnerabilities does Qualys WAS supports ? I don't have the solution at work.
Navigate to the WAS module and apply a filter on the KnowledgeBase. Set the category to "Web Application".
Alternatively, you could do the same thing from the VM Module.
At this time I see there are 229 items, but this number keeps increasing as new vulns get added.
If you have Qualys you can also go to the Knowledge Base Tab click search and look for those ITEMS that support WAS. Now you will get more than "Vulnerabilities" you will also get Information Items such as
Retrieving data ...