What is GHSA-v6p2-jx9w-8967?

GHSA-v6p2-jx9w-8967 is a security advisory published by GitHub Security Advisories with High severity. Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout...

Which CVE IDs does GHSA-v6p2-jx9w-8967 cover?

GHSA-v6p2-jx9w-8967 covers the following CVE IDs: CVE-2026-78077. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-v6p2-jx9w-8967High

Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout...

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

August 31, 2026

🔗 CVE IDs covered (1)

CVE-2026-78077 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78077
https://www.joomshaper.com/joomla-templates/helixultimate
https://github.com/advisories/GHSA-v6p2-jx9w-8967