Unrestricted File Upload Vulnerability in Cozmoslabs Profile Builder Plugin for WordPress
CVE-2026-82607

6.9MEDIUM

Key Information:

Vendor

WordPress
Status
Profile Builder Plugin
Vendor
CVE Published:
31 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-82607?

A vulnerability exists in the Cozmoslabs Profile Builder Plugin up to version 3.16.1 that allows for unrestricted file uploads through the function wppb_ajax_simple_avatar in the admin-ajax.php file. This flaw can be exploited remotely, enabling attackers to upload malicious files without proper authentication. To mitigate the risk, users are advised to upgrade to version 3.16.2 or later.

Affected Version(s)

Profile Builder Plugin 3.16.0

Profile Builder Plugin 3.16.1

Profile Builder Plugin 3.16.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-82607 - Proof of Concept

References

https://vuldb.com/vuln/397108
vdb-entrytechnical-description
https://vuldb.com/vuln/397108/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-82607
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ciphersecuritylabs (VulDB User)
.