Remote Command Execution in CMSimple 5.15 by CMSimple
CVE-2024-58280

8.6HIGH

Key Information:

Vendor

Cmsimple

Status
Cmsimple
Vendor
CVE Published:
10 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-58280?

CMSimple version 5.15 contains a significant vulnerability that permits authenticated attackers to perform remote command execution. By exploiting a flaw in the Extensions_userfiles configuration, attackers can modify file extensions to gain unauthorized access. Specifically, they can append ',php' to uploads, allowing for the execution of malicious PHP scripts on the server. This vulnerability could enable attackers to upload shell scripts to the media directory, effectively executing arbitrary code and compromising server security.

Affected Version(s)

CMSimple 5.15

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-58280 - Proof of Concept

References

https://www.exploit-db.com/exploits/52040
exploit
https://www.cmsimple.org
product
https://www.cmsimple.org/downloads_cmsimple50/CMSimple_5-...
product

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmet Ümit BAYRAM
JSON
.
CVE-2024-58280 : Remote Command Execution in CMSimple 5.15 by CMSimple