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CVE-2021-47734

nvd nist
Published: Dec 23, 2025Modified: Jun 17, 2026

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8.6
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: disclosure@vulncheck.com (Secondary)

Description

CMSimple 5.4 contains an authenticated local file inclusion vulnerability that allows remote attackers to manipulate PHP session files and execute arbitrary code. Attackers can leverage the vulnerability by changing the functions file path and uploading malicious PHP code through session file upload mechanisms.

Affected (1)

Products: Cmsimple: Cmsimple
Cmsimple
1 product
Cmsimple
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Cmsimple
Version 5.4

Related CWEs

CWE-98
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
The PHP application receives input from an upstream component, but it does not restrict or incorrectly restricts the input before its usage in "require," "include," or similar functions.

References (3)

Source: disclosure@vulncheck.com
Product
Source: disclosure@vulncheck.com
Exploit
Source: disclosure@vulncheck.com
Third Party Advisory

Timeline

No history available yet.