[wpanel/wpanel4-cms] Unrestricted Upload of File with Dangerous Type in WPanel 4

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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-34257
• https://github.com/Sentinal920/WPanel4-Authenticated-RCE
• https://latestpcsolution.wordpress.com/2021/06/05/wpanel4-cms-authenticated-rce/
• https://github.com/advisories/GHSA-vhgr-gfx3-fg37