Home/CVE/CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file exten
CVE

CVE-2024-58280

CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file exten

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.

HIGH · CVSS 8.8 EPSS 0.00541
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

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

Affected Products & Versions

1
cmsimpleall versions
⚠

Public Exploits & PoCs

1
pocwww.exploit-db.com · 52040www.exploit-db.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Dec 2025 · 10:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cmsimple.orgProduct
https://www.cmsimple.org/downloads_cmsimple50/CMSimple_5-15.zipProduct
https://www.vulncheck.com/advisories/cmsimple-remote-command-execution-via-extensions-configurationThird Party Advisory
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