VULNERABILITY INTELLIGENCE
CVE-2026-78078
EPSS probability0.43%
CISA KEVNot currently listed
Published2026-08-31
Last modified2026-08-31
Description
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.
Weakness classification
- security@joomla.org: CWE-434