| Title | XCMS 1.1 Unrestricted Upload |
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| Description | XCMS's backend file upload interface lacks strict validation of uploaded file types, content, and file extensions. Attackers can upload malicious files of any format (such as PHP webshells) after logging in. Once uploaded successfully, attackers can directly access and execute the file via HTTP requests, ultimately leading to remote code execution. |
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| Source | ⚠️ https://gitee.com/jackq/XCMS/issues/IDC5C8 |
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| User | formanagain (UID 93347) |
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| Submission | 12/10/2025 09:36 (6 months ago) |
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| Moderation | 12/27/2025 00:14 (17 days later) |
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| Status | Accepted |
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| VulDB entry | 338481 [jackq XCMS up to 3fab5342cc509945a7ce1b8ec39d19f701b89261 Backend ProductImageController.class.php upload File unrestricted upload] |
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| Points | 18 |
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