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Vulnerabilities and Security Researches

Responsive Contact Form Builder & Lead Generation Plugin, CVE-2026-1454

CVE, Research URL

CVE-2026-1454

Published on
Mar 11, 2026
Research Description
The Responsive Contact Form Builder & Lead Generation Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.0.1 via form field submissions. This is due to insufficient input sanitization in the lfb_lead_sanitize() function which omits certain field types from its sanitization whitelist, combined with an overly permissive wp_kses() filter at output time that allows onclick attributes on anchor tags. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator views the lead entries in the WordPress dashboard.
Affected versions
max 2.0.2.
Status
vulnerable