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HIGH · 7.5

CVE-2026-49049

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

Vulnerability Description

The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
OllyoHelix3>= 1.0, <= 3.1.1

Related Weaknesses (CWE)

CWE-284

References

FAQ

What is CVE-2026-49049?

CVE-2026-49049 is a vulnerability with a CVSS score of 7.5 (HIGH). The Helix3 plugin for Joomla exposes an ajax handler task, that allows unauthenticated attackers to delete arbitrary files, write arbitrary JSON files and update template parameters.

How severe is CVE-2026-49049?

CVE-2026-49049 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-49049?

Check the references section above for vendor advisories and patch information. Affected products include: Ollyo Helix3.