OCTOBER 10, 2026
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Case File

CVE-2026-88419

HIGH · CVSS 8.8 EPSS 0.48% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-22 · Last synced 2026-10-10

CyberRota Analysis

AI-Generated

WuzhiCMS 5.0.0 is vulnerable to an unrestricted file upload in the thumbnail-upload endpoint, allowing authenticated low-privileged users to upload malicious PHP files. This flaw enables the execution of arbitrary PHP code on the server, posing a significant risk of remote code execution. Organizations using this CMS should prioritize patching this vulnerability to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-88419
Severity
HIGH
CVSS
8.8
EPSS
0.48%

Original NVD Description

An unrestricted upload of files with a dangerous type in the thumbnail-upload endpoint (/index.php?m=member&f=article&v=thumbUpload) of WuzhiCMS 5.0.0 allows an authenticated low-privileged member to upload a crafted .php file and execute arbitrary PHP code on the server, because the stored file extension is taken verbatim from the client-supplied filename with no extension allowlist or content validation and the file is written to the web-accessible uploadfile/ directory, from which the web server executes PHP.