High severity8.8NVD Advisory· Published May 16, 2026

CVE-2021-47976

Description

TextPattern CMS 4.9.0-dev contains a remote code execution vulnerability that allows authenticated attackers to upload arbitrary PHP files by exploiting the plugin upload functionality. Attackers can authenticate, retrieve a CSRF token from the plugin event page, and upload malicious PHP files to the textpattern/tmp/ directory for code execution.

Affected products

Textpattern/Textpatternreferences

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

textpattern.comnvd
www.exploit-db.com/exploits/50095nvd
www.vulncheck.com/advisories/textpattern-cms-dev-authenticated-remote-code-execution-via-plugin-uploadnvd

News mentions

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