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CVE-2026-78076— Joomla Extension - joomshaper.com - Broken Access Control & Missing Authorization in MegaMenu Settings in Helix Ultimate < 2.2.10

Quick assessment

Affected
joomshaper.com Helix Ultimate extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展 - joomshaper.com - Helix Ultimate < 2.2.10 中 MegaMenu 设置里的访问控制失效与授权缺失 在版本低于 2.2.10 的 Helix Ultimate 扩展中，AJAX 端点 未能正确执行菜单项级别和菜单级别的编辑权限（即 上的 或 ）。一个已认证的用户可以在未获得适当授权的情况下，为任意菜单项提交修改后的布局参数。

CVSS 5.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-78076

Vulnerability Information
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Vulnerability Title
Joomla Extension - joomshaper.com - Broken Access Control & Missing Authorization in MegaMenu Settings in Helix Ultimate < 2.2.10
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - joomshaper.com - Broken Access Control & Missing Authorization in MegaMenu Settings in Helix Ultimate < 2.2.10 - The AJAX endpoint save-megamenu-settings failed to enforce item-level and menu-level edit permissions (core.edit on com_menus.item.{id} or core.admin). An authenticated user could submit modified layout parameters for arbitrary menu items without proper authorization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
joomshaper.com Helix Ultimate extension for Joomla 1.0-2.2.9 -

II. Public POCs for CVE-2026-78076

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-78076

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Vendor Pages for CVE-2026-78076 (1)

Same Patch Batch · joomshaper.com · 2026-08-31 · 5 CVEs total

CVE-2026-78078 8.9 HIGH Joomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in
CVE-2026-78077 8.6 HIGH Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout
CVE-2026-78079 5.3 MEDIUM Joomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in
CVE-2026-78075 5.1 MEDIUM Joomla Extension - joomshaper.com - Broken Object-Level Authorization in Blog Image Deleti

IV. Related Vulnerabilities

Same product: Helix Ultimate extension for Joomla
Same vendor: joomshaper.com
Same weakness: CWE-284

V. Comments for CVE-2026-78076

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