The OWASP top ten security vulnerability documents are a great place to start: OWASP. Typically, the top web app security vulnerabilities are SQL injection, XSS and authentication issues. The top web frameworks will address those issues in their documentation so that is another place to begin researching.
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The OWASP top ten security vulnerability documents are a great place to start: OWASP. Typically, the top web app security vulnerabilities are SQL injection, XSS and authentication issues. The top web frameworks will address those issues in their documentation so that is another place to begin researching.