CVE-2021-47735

HIGH

8.8

Description

CMSimple 5.4 contains an authenticated remote code execution vulnerability that allows logged-in attackers to inject malicious PHP code into template files. Attackers can exploit the template editing functionality by crafting a reverse shell payload and saving it through the template editing endpoint with a valid CSRF token.

Details CVE

Score CVSS v3.18.8

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie12/23/2025

Derniere modification12/31/2025

Sourcenvd

Observations honeypot0

Produits affectes

cmsimple:cmsimple

Faiblesses (CWE)

CWE-94

References

https://www.cmsimple.org/(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/50356(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/cmsimple-authenticated-remote-code-execution-via-template-editing(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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