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Advisories

CMSimple 5.15 Remote Command Execution via Extensions Configuration

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severity
high
date
Affecting

  • CMSimple 5.15

CWE
  • CWE-403 Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak')
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Ahmet Ümit BAYRAM
Description
CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file extensions and upload malicious PHP files. Attackers can append ',php' to Extensions_userfiles and upload a shell script to the media directory to execute arbitrary code on the server.

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