| Title | SourceCodester Photo Share Website using PHP/MySQL V1.0 Unrestricted Upload |
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| Description | The file upload functionality handled by the save_upload action in ajax.php lacks adequate validation of user-supplied data. The application processes base64-encoded file data via the img[] parameter and sets the filename based on the imgName[] parameter.
An attacker can intercept the HTTP POST request and manipulate these parameters to bypass intended restrictions. By supplying a .php extension in the imgName[] parameter and injecting malicious base64-encoded PHP code (such as a webshell or phpinfo()) into the img[] parameter, the server will save the executable script into the public-facing /social/assets/img/uploads/ directory. Accessing this uploaded file directly via a web browser triggers the execution of the arbitrary PHP code. |
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| Source | ⚠️ https://github.com/gensnext/cve/issues/2 |
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| User | w4yl (UID 60425) |
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| Submission | 06/21/2026 15:01 (2 months ago) |
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| Moderation | 08/07/2026 10:34 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 386955 [SourceCodester Photo Share Website 1.0 ajax.php?action=save_upload img[]/imgName[] unrestricted upload] |
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| Points | 20 |
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