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TI-2021-13323 Aliases CVE-2021-34257GHSA-vhgr-gfx3-fg37

Multiple Remote Code Execution (RCE) vulnerabilities exist in WPanel 4 4.3.1 and below…

Priority MEDIUM 42CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434.

Summary

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.

Why it matters now

EPSS 0.01822 78th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—wpanel/wpanel4-cms (Packagist)up to 4.3.1—No fix listedGHSA-vhgr-gfx3-fg37
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • wpanel/wpanel4-cms (Packagist) Vendor— Affected up to 4.3.1 Fixed in — No fix listed GHSA-vhgr-gfx3-fg37

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wpanel_cms_project:wpanel_cms:*:*:*:*:*:*:*:*up to 4.3.1VulnerableWpanel Cms Project
  • cpe:2.3:a:wpanel_cms_project:wpanel_cms:*:*:*:*:*:*:*:* Versions up to 4.3.1 Vulnerable ·Wpanel Cms Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34257
  2. 2026-10-03 Alias added: GHSA-vhgr-gfx3-fg37

References

Exploit 2

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences