VulnSocial

CVE-2026-78077Patch

LOWCVSS 8.6 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-08-31: 1Patch / Workaround · 2026-08-31: 1Technical Details · 2026-08-31: 108-31
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • TheKnight7G@WH173H47
    Patch

    Joomla's Helix Ultimate &lt; 2.2.10 has a XSS vulnerability in MegaMenu Layout inputs. If you’re using this extension, check your version and consider patching ASAP. https://nvd.nist.gov/vuln/detail/CVE-2026-78077

    Post summary

    CVE-2026-78077 is an XSS flaw in Joomla's Helix Ultimate (version < 2.2.10) affecting MegaMenu Layout inputs, and users are urged to verify their version and apply a patch promptly.

    0001040
    21 followersView on X

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