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CVE-2022-50993

CRITICAL · CVSS 9.8 EPSS 0.28% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-04-30 · Last synced: 2026-05-30

CyberRota Analysis

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Public Exploit Signal

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

Detected Signals
exploit remote code execution code execution

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

CVE
CVE-2022-50993
Severity
CRITICAL
CVSS
9.8
EPSS
0.28%
Office

Original NVD Description

Weaver (Fanwei) E-office versions prior to 10.0_20221201 contain an unauthenticated arbitrary file upload vulnerability in the OfficeServer.php endpoint that allows remote attackers to upload malicious files by sending multipart POST requests with arbitrary filenames and disguised content types. Attackers can upload PHP webshells to the Document directory and execute them via HTTP GET requests to achieve remote code execution as the web server user. Exploitation evidence was first observed by the Shadowserver Foundation on 2022-10-10 (UTC).