CVE-2024-58280 PUBLISHED

CMSimple 5.15 Remote Command Execution via Extensions Configuration

Assigner: VulnCheck
Reserved: 10.12.2025 Published: 10.12.2025 Updated: 11.12.2025

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 8.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	CMSimple
Product	CMSimple
Versions	Default: unaffected Version 5.15 is affected

Credits

Ahmet Ümit BAYRAM finder

References

Problem Types

CWE-403: Exposure of File Descriptor to Unintended Control Sphere ('File Descriptor Leak') CWE