CVE-2026-78077
High
Description
Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout Container & Embed Inputs in Helix Ultimate < 2.2.10 - Unsanitized column and item configuration values stored within the MegaMenu layout JSON were rendered without complete contextual escaping, allowing injection of malicious HTML/JS. Stricter sanitization and tag allowlists via `InputFilter` and `htmlspecialchars` were implemented.
SeverityHigh
CVSS8.6
Exploit probability—
ProductHelix Ultimate extension for Joomla
PublishedAug 31, 2026
First seenAug 31, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
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 | 1.0-2.2.10 | — |
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