Diabolic Crab has reported some vulnerabilities in Phpauction GPL, which can be exploited by malicious people to disclose sensitive information and conduct cross-site scripting and SQL injection attacks.
1) Input passed to the "category" parameter in "adsearch.php" is not properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
2) Input passed to the "lan" parameter in "index.php" and the "auction_id" parameter in "profile.php" is not properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.
3) Input passed to the "lan" parameter in "index.php" is not properly verified, before it is used to include files. This can be exploited to include arbitrary files from local resources.
Successful exploitation requires that "magic_quotes_gpc" is disabled.
Solution: Edit the source code to ensure that input is properly sanitised and verified.
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Subject: Phpauction GPL Multiple Vulnerabilities
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