| Title | halex CourseSEL 1.1.0 SQL Injection |
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| Description | A SQL Injection vulnerability exists in the CourseSEL system (a ThinkPHP 3.2 based application) due to the lack of parameterization and improper input sanitization in the Apps/Index/Controller/IndexController.class.php file. The check_sel method directly concatenates the user-supplied HTTP GET parameter seid into the SQL query string using the framework's where() method. An authenticated attacker with standard student privileges can exploit this vulnerability to trigger an Error-based SQL Injection, allowing them to bypass authorization, extract sensitive database schemas, and dump administrative credentials. |
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| Source | ⚠️ https://github.com/zy606/Vulnerability-Report/tree/main/CourseSEL-SQLi |
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| User | Zyyyy (UID 96412) |
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| Submission | 03/18/2026 09:52 (21 days ago) |
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| Moderation | 04/04/2026 08:42 (17 days later) |
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| Status | Accepted |
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| VulDB entry | 355290 [halex CourseSEL up to 1.1.0 HTTP GET Parameter IndexController.class.php check_sel seid sql injection] |
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| Points | 20 |
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