| Title | code-projects Online Examination System 1 Unrestricted Upload |
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| Description | Remote Code Execution via Unsafe File Upload.
The "Change Picture" feature invokes "/onexam/admin_pic.php" to replace the logo for the website, but does not restrict on file types. As a result, an attacker can upload a php webshell and gain remote code execution. |
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| Source | ⚠️ https://github.com/geo-chen/code-projects/blob/main/Online%20Examination%20System%20In%20PHP%20With%20Source%20Code.md#finding-3-remote-code-execution-via-unsafe-file-upload |
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| User | geochen (UID 78995) |
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| Submission | 01/12/2026 17:24 (4 months ago) |
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| Moderation | 01/25/2026 18:07 (13 days later) |
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| Status | Accepted |
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| VulDB entry | 342839 [code-projects Online Examination System 1.0 /admin_pic.php unrestricted upload] |
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| Points | 18 |
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