Vulnerability in Joomshaper.com Helix3 Extension For Joomla
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.
EPSS: 0.177 (96.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Joomshaper.com Helix3 Extension For Joomla — versions 1.0-3.1.1
- Ollyo Helix3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@joomla.org (Product, product)
Frequently asked questions
- What is CVE-2026-49049?
- CVE-2026-49049 is a high-severity vulnerability in Joomshaper.com Helix3 Extension For Joomla, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-06-29.
- How severe is CVE-2026-49049?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2026-49049 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.