CVE-2026-78079
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductHelix Ultimate extension for Joomla
PublishedAug 31, 2026
First seenAug 31, 2026
Weakness typeCWE-601Open redirect
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| joomshaper.com Helix Ultimate extension for Joomla | 1.0-2.2.9 | — |
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