Vulnerability · CVE-2024-58280
CMSimple 5.15 contains a remote command execution vulnerability that allows authenticated attackers to modify file extensions and upload malicious PHP files.
Published Dec 10, 2025 · catalog updated Apr 7, 2026 · CMSimple CMSimple
Last checked Oct 29, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2024-58280. EPSS is 0.94%. Act only if a listed version of CMSimple CMSimple is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.6
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.94%
- Remediation
- Vendor / distro source
- Affected products
- vendor CMSimple CMSimple 5.15
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor CMSimple CMSimple 5.155.15
How to fix CVE-2024-58280
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 5.15
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2024-58280. EPSS is 0.94%. Act only if a listed version of CMSimple CMSimple is installed.
Which versions are affected?
Compare what you have installed with CMSimple CMSimple 5.15 5.15. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.94%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Dec 10, 2025 · EUVD
Detected
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.
Apr 7, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2024-58280
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2024-58280
30-day exploitation probability 0.94%
first.org - EUVDVulnerability recordEUVD-2024-55318
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
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 29, 2026
- CVE.orgOct 27, 2026
- EUVDOct 26, 2026