80vul has reported some vulnerabilities in Crossday Discuz! Board, which can be exploited by malicious users to compromise a vulnerable system and malicious people to bypass certain security restrictions.
1) Input passed via the "creditsformula" parameter in wap/index.php is not properly sanitised before being used. This can be exploited to execute arbitrary PHP code on an affected system.
2) A security issue is caused due to a design error in the application. This can be exploited to bypass certain security restrictions and e.g. reset user passwords.
Solution: Edit the source code to ensure that input is properly sanitised and implement proper access restrictions.
Provided and/or discovered by: 80vul
Original Advisory: 80vul:
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