CVE-2026-78078 — Joomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in Helix Ultimate < 2.2.10

CVE-2026-78078

Joomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in Helix Ultimate < 2.2.10 PUBLISHED

Description (CNA)

Joomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in Helix Ultimate < 2.2.10 - Image uploads previously validated only file extension and basic size parameters. Non-image files disguised with raster extensions could be uploaded. Added strict MIME verification and GD binary raster decoding (imagecreatefromstring) to reject invalid/malformed images fail-closed.

Affected (CNA)

Vendor / product	Versions
joomshaper.com / Helix Ultimate extension for Joomla	affected 1.0-2.2.9

CWE

CWE-434

References

https://www.joomshaper.com/joomla-templates/helixultimate

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.