Custom Menu Wizard Widget shortcode attributes permit stored XSS

Custom Menu Wizard Widget through 3.3.1 renders several shortcode attributes into HTML without sufficient sanitization or escaping. A contributor or higher role can store JavaScript that executes when affected content is viewed. The authoritative export does not identify the shortcode attributes or their output contexts.

CVE / CNA score 6.8 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0

NVD score Pending NVD has not published its own CVSS assessment.

Component: Custom Menu Wizard Widget
Plugin slug: custom-menu-wizard-widget
Affected: <= 3.3.1
Safe version: See mitigation notes
Published: Sep 12, 2026
Weakness: CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Sep 12, 2026 and is one of 1 known issue for this plugin.

What to do

Update, patch or deactivate.

No fixed release is confirmed in the authoritative export. Restrict shortcode use or deactivate the plugin. The application-level fix must validate each attribute by type and escape it at the precise HTML, attribute, URL, or text sink.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The Custom Menu Wizard Widget WordPress plugin through 3.3.1 does not sanitize and escape several shortcode attributes before rendering them into HTML, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when the affected content is viewed.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

References

Primary and upstream sources

Data attribution: This product uses the NVD API but is not endorsed or certified by the NVD.

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