PT-2026-4504 · Unknown · Textpattern

Ricardo Ruiz · Publicado 2026-01-23 · Atualizado 2026-01-24 · CVE-2021-47888

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions Textpattern versions prior to 4.8.3

Description Textpattern allows authenticated users to upload malicious PHP files, leading to remote code execution. An attacker can upload a PHP file containing a shell command execution payload and then execute arbitrary commands by accessing the uploaded file through a specific URL parameter.

Recommendations Update to version 4.8.3 or later.

Exploit

Correção

RCE

Unrestricted File Upload

Enumeração de Fraquezas

CWE-434

Identificadores relacionados

CVE-2021-47888

Produtos afetados

Textpattern

Referências · 7

• 🔥 https://exploit-db.com/exploits/49620 · Exploit
• https://t.me/CVEtracker/42852 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2021-47888 · Nota de Segurança
• https://textpattern.com/start · Nota
• https://twitter.com/CVEnew/status/2014995843158516206 · Publicação no Twitter
• https://textpattern.com · Nota
• https://vulncheck.com/advisories/textpattern-remote-code-execution · Nota