| Title | Vulnerabilities in the dating platform. windows 4.0 File upload vulnerability |
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| Description | Code auditing reveals that the following code receives the data parameter through the input function. The type of the data parameter is an array, and then it calls the base64image function for processing.
$res = base64Image($v,"uploads/".date("Y-m-d")."/");
if (preg_match('/^(data:\s*image\/(\w+);base64,)/',$imgBase64,$res))
if (file_put_contents($new_file,base64_decode(str_replace($res[1],'', $imgBase64))))
After encoding the verification code with Base64, upload it.
https://www.jianshu.com/p/f8ca5e3cd889 |
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| Source | ⚠️ https://www.jianshu.com/p/f8ca5e3cd889 |
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| User | leizi (UID 82832) |
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| Submission | 03/16/2025 07:46 (1 Year ago) |
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| Moderation | 03/22/2025 14:45 (6 days later) |
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| Status | Accepted |
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| VulDB entry | 300688 [Yue Lao Blind Box 月老盲盒 up to 4.0 Upload.php base64image data unrestricted upload] |
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| Points | 20 |
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