unohope has reported two vulnerabilities in ClassSystem, which can be exploited by malicious people to conduct SQL injection attacks.
Input passed to the "teacher_id" parameter in HomepageMain.php and HomepageTop.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
The vulnerabilities are reported in version 2.3. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
Provided and/or discovered by: unohope
Original Advisory: http://www.chroot.org/exploits/chroot_uu_005
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