wpQuiz Multiple SQL Injection Vulnerabilities

Summary
This host is running wpQuiz and is prone multiple SQL Injection vulnerabilities
Impact
Successful exploitation will allow remote attackers to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database. Impact Level: Application.
Solution
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
Insight
Input passed to the 'id' and 'password' parameters in 'admin.php' and 'user.php' scripts are not properly sanitised before being returned to the user.
Affected
wpQuiz version 2.7
References