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**Name of the Vulnerable Software and Affected Versions** SourceCodester Class and Exam Timetabling System version 1.0 **Description** A remote SQL injection is possible due to improper handling of the `ID` argument within an unknown function in the `/edit teacher.php` file. SQL injection is a technique where an attacker inserts malicious SQL code into a query, allowing them to manipulate the database. **Recommendations** As a temporary workaround, restrict access to the `/edit teacher.php` file to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.