The NEX-Forms – Ultimate Form Builder – Contact forms and much more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the clean_html and form_fields parameters in all versions up to, and including, 8.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Custom-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Nex Forms Express Wp Form Builder Plugin | — | Update nex-forms-express-wp-form-builder plugin to version 8.9.2, or a newer patched version | May 15, 2025 | May 7, 2025 |
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