File Management Flaws in Helix3 Plugin for Joomla
CVE-2026-49049

7.5HIGH

Key Information:

Vendor

Joomshaper.com

Status
Helix3 Extension For Joomla
Vendor
CVE Published:
29 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-49049?

The Helix3 plugin for Joomla has a significant vulnerability due to an exposed AJAX handler task. This flaw permits unauthenticated attackers to interact with the server in harmful ways, including deleting arbitrary files, writing unauthorized JSON files, and modifying template parameters. Exploiting this vulnerability could lead to severe damage to affected systems and data integrity, emphasizing the need for immediate updates and rigorous security practices.

Affected Version(s)

Helix3 extension for Joomla 1.0-3.1.1

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-2026-49049
Created by shinthink

References

https://www.joomshaper.com/
product

CVSS V3.1

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

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor
.