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CVE-2023-26852

HighPublished

An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a...

Published: Apr 12, 2023
Updated: Feb 10, 2025
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

7.2/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

2.0%

Low · next 30 days

Percentile: 79.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.

Sources

CVE-2023-26852-Textpattern-v4.8.8-and-Exploit
Textpattern v4.8.8 and Below are vulnerable to Unrestricted File Upload Leading to Remote Code Execution

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