What’s Vulnerable › Vulnerabilities

CVE-2026-49049: Joomla Extension - joomshaper.com - Unauthenticated access to Helix3 template ajax handler

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-29 · updated 2026-10-25
• Weakness: CWE-284

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.

Affected products

• joomshaper.com Helix3 extension for Joomla: from 1.0 through 3.1.1

References

• https://www.joomshaper.com/

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