CVE-2021-47943

TextPattern CMS 4.8.7 contains a remote code execution vulnerability that allows authenticated attackers to execute arbitrary commands by uploading malicious PHP files through the file upload functionality. Attackers can upload a PHP shell via the Files section in the content area and execute commands by accessing the uploaded file at /textpattern/files/ with GET parameters passed to the system function.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/49996
https://www.exploit-db.com/exploits/50415
https://www.vulncheck.com/advisories/textpattern-cms-remote-code-execution-via-file-upload

Configurations

No configuration.

History

10 May 2026, 13:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-10 13:16

Updated : 2026-06-17 04:18

NVD link : CVE-2021-47943

Mitre link : CVE-2021-47943

CVE.ORG link : CVE-2021-47943

JSON object : View

Products Affected

No product.

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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