AUGUST 4, 2026
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Case File

CVE-2021-34257

HIGH · CVSS 8.8 EPSS 1.71% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-31 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

Detected Signals
remote code execution code execution
GitHub PoC Links
github.com ↗

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

CVE
CVE-2021-34257
Severity
HIGH
CVSS
8.8
EPSS
1.71%

Original NVD Description

Multiple Remote Code Execution (RCE) vulnerabilities exist in WPanel 4 4.3.1 and below via a malicious PHP file upload to (1) Dashboard's Avatar image, (2) Posts Folder image, (3) Pages Folder image and (4) Gallery Folder image.