CVE-2024-58280

8.6 highEPSS 0.9%

High (8.6) in cmsimple cmsimple. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.6 high

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 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-403
Published: 2025-12-10
Modified: 2026-09-26
Record from: the NVD, synced 2026-10-19

Affected

cmsimple:cmsimple

References

https://www.cmsimple.org
https://www.cmsimple.org/downloads_cmsimple50/CMSimple_5-15.zip
https://www.exploit-db.com/exploits/52040
https://www.vulncheck.com/advisories/cmsimple-remote-command-execution-via-extensions-configuration

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