The vulnerability of the _4_Setup() function in the install/index.php script of the DedeCMS content management system allows a hacker to execute arbitrary code.

The vulnerability of the 4Setup function in the DedeCMS content management system’s install/index.php script is related to improper external manipulation of file names or file paths. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

CVE-2026-19353

DedeCMS up to 5.7.118 UTF8SP2 contains a vulnerability in the Installation Wizard: the _4_Setup function of install/index.php enables file inclusion. Exploitation is possible remotely and described as high complexity with low privilege requirements (network vector, low impact on confidentiality/i...