Perform vulnerability analysis of a web application, www.

Performing a vulnerability analysis on a web application involves identifying specific security weaknesses. In this case, the WASC ID 9 refers to "Application Error Disclosure."

Vulnerability Description:

Application Error Disclosure: This vulnerability occurs when a web application reveals too much information about internal errors, potentially aiding attackers in crafting specific attacks against the system.

Detection and Mitigation:

Error Handling: Ensure that error messages do not expose sensitive information and provide only necessary details to the end-user.

Logging: Detailed error information should be logged securely for internal review without being exposed to users.

References:

OWASP Top Ten Web Application Security Risks: OWASP

WASC Threat Classification: WASC ID 9