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CVE-2026-78079

MEDIUMCVSS 5.3/10

Last modified

CVE-2026-78079 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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..

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.

Metrics

CVSS 4.0
5.3/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
joomshaper.comHelix Ultimate extension for Joomla1.0-2.2.9

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is 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.
How severe is CVE-2026-78079?
CVE-2026-78079 has a CVSS score of 5.3/10 (MEDIUM severity).
How do I fix CVE-2026-78079?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST