Arbitrary File Upload Vulnerability in Hustle Plugin for WordPress
CVE-2026-0911

7.5HIGH

Key Information:

Vendor

WordPress
Status
Hustle – Email Marketing, Lead Generation, Optins, Popups
Vendor
CVE Published:
24 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-0911?

The Hustle plugin for WordPress contains a vulnerability that allows authenticated users with lower-privileged roles, such as Subscribers, to upload arbitrary files due to insufficient file type validation. This flaw is present in all versions up to and including 7.8.9.2 and could potentially lead to remote code execution if an administrator has granted module permissions to these users. Attackers can exploit this vulnerability by accessing the Hustle admin page to bypass security mechanisms.

Affected Version(s)

Hustle – Email Marketing, Lead Generation, Optins, Popups 0 <= 7.8.9.2

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-2026-0911
Created by murrez

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3440956/word...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Williwollo
.