CVE-2026-78079
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.
- Published Aug 31, 2026
- CVSS 5.3 medium
- 0.4% chance of exploitation in the next 30 days (EPSS)