CVE-2026-78079 PUBLISHED

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

Assigner: Joomla
Reserved: 22.08.2026 Published: 31.08.2026 Updated: 31.08.2026

Joomla Extension - joomshaper.com - Open Redirect via Base64 Return Parameter in Helix Ultimate < 2.2.10 - Return redirect parameters accepted arbitrary Base64 strings without verifying whether the resolved target was an internal site URL via Uri::isInternal.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	Low	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	joomshaper.com
Product	Helix Ultimate extension for Joomla
Versions	Default: unaffected Version 1.0-2.2.9 is affected

References

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

Problem Types

CWE-601 URL Redirection to Untrusted Site ('Open Redirect') CWE