Advisories

ImpressCMS 1.4.4 - Unrestricted File Upload

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severity
critical
date
Affecting
  • ImpressCMS 1.4.4

CWE
  • CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Ünsal Furkan Harani (Zemarkhos)
Description
ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.

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