| Título | DedeCMS CMS V5.7.118 article_template_rand.php Remote Code Execution |
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| Descrição | In DedeCMS version V5.7.118, remote code execution (RCE) is possible when a user is authenticated with administrator privileges.
The vulnerability is present in the "Report Settings" submenu, located within the "System Settings" menu. After viewing pre-used PHP code from DedeCMS, it's possible to insert additional PHP code, allowing the execution of commands on the server and, consequently, obtaining a reverse shell.
The application does not perform adequate validation to identify malicious PHP functions, allowing the use of the `system()` function, which enables the execution of arbitrary commands on the server. In contrast, other DedeCMS functionalities perform checks to block the inclusion of PHP code that invokes sensitive functions, such as `system()`.
As a proof of concept (PoC), the call `system("ls / && id")` was added, which made it possible to list the server directories and identify the UID of the running user. |
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| Fonte | ⚠️ http://localhost/dedecms/dede/article_template_rand.php |
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| Utilizador | mirandaBR (UID 90010) |
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| Submissão | 30/01/2026 00h08 (há 8 meses) |
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| Moderação | 01/02/2026 09h40 (2 days later) |
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| Estado | Duplicado |
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| Entrada VulDB | 271995 [DedeCMS 5.7.114 article_template_rand.php Elevação de Privilégios] |
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| Pontos | 0 |
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