CVE-2026-78077: high-severity vulnerability in joomshaper.com Helix Ultimate extension for…
Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout Container & Embed Inputs in Helix Ultimate < 2.2.11
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.6epss 0.4%
Joomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in MegaMenu Layout Container & Embed Inputs in Helix Ultimate < 2.2.11 - 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Affected products
joomshaper.com · Helix Ultimate extension for JoomlaRelated CVEs — joomshaper.com Helix Ultimate extension for…
In the same product, most dangerous first.
CVE-2026-57830HIGHJoomla Extension - joomshaper.com - Unauthenticated arbitrary file deletion in Helix Ultimate < 2.2.7EPSS 0.5%CVE-2026-78078HIGHJoomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in Helix Ultimate < 2.2.10EPSS 0.4%CVE-2026-78079MEDIUMJoomla Extension - joomshaper.com - Privileged File Upload Bypass via Content Spoofing in Helix Ultimate < 2.2.10EPSS 0.4%CVE-2026-78075MEDIUMJoomla Extension - joomshaper.com - Broken Object-Level Authorization in Blog Image Deletion in Helix Ultimate < 2.2.10EPSS 0.4%CVE-2026-78076MEDIUMJoomla Extension - joomshaper.com - Broken Access Control & Missing Authorization in MegaMenu Settings in Helix Ultimate < 2.2.10EPSS 0.4%CVE-2026-103419HIGHJoomla Extension - joomshaper.com - Stored Cross-Site Scripting (XSS) in Media Picker in Helix Ultimate < 2.2.11.EPSS 0.4%