CVE-2026-78077

8.6 highEPSS 0.4%

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.

Severity

CVSS 4.0

8.6 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-08-31
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

References

https://www.joomshaper.com/joomla-templates/helixultimate

Check your stack JSON