CVE-2026-78077 — Vulnerability intelligence
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Published:
- CVSS
- 8.6
- CISA KEV
- Not listed; not proof of no exploitation
Original source text (not a translation)
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.