CVE-2026-78077: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in joomshaper.com Helix Ultimate extension for Joomla
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.
CVE-2026-78077: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in joomshaper.com Helix Ultimate extension for Joomla
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.
CVSS v4.0
Score 8.6high
Affected software
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-22T14:23:37.801Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a958ab9acd9273b492f08c5
Added to database: 08/31/2026, 14:07:53 UTC
Last updated: 08/31/2026, 15:22:04 UTC
Views: 3
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