CVE-2026-78077
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.
- Score
- CVSS 4.0 8.6 High
- Status
- Deferred - security@joomla.org
- Published
- 2026-08-31
- Last modified
- 2026-09-01
- Weaknesses
- CWE-79
Affected products
References
- https://www.joomshaper.com/joomla-templates/helixultimate