NEX-Forms – Ultimate Forms Plugin for WordPress <= 9.2.2 - Unauthenticated Stored Cross-Site Scripting
NEX-Forms – Ultimate Forms Plugin for WordPress has a cross-site scripting issue. Unsafe script can run in another user's browser if the vulnerable feature is used.
Quick answer
NEX-Forms – Ultimate Forms Plugin for WordPress should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- NEX-Forms – Ultimate Forms Plugin for WordPress up to and including 9.2.2
Fixed versions
- NEX-Forms – Ultimate Forms Plugin for WordPress 9.2.3 or later
How to fix it
Update NEX-Forms – Ultimate Forms Plugin for WordPress. The old version can let unsafe script run in a user or admin browser.
- Back up the site and database.
- Update NEX-Forms – Ultimate Forms Plugin for WordPress to NEX-Forms – Ultimate Forms Plugin for WordPress 9.2.3 or later.
- Clear all site and plugin caches.
- Review recent posts, settings, forms, and widgets for unknown script.
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Verify the fix
- Confirm the installed version is NEX-Forms – Ultimate Forms Plugin for WordPress 9.2.3 or later.
- Test the affected feature and confirm script input is blocked or cleaned.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-57668?
NEX-Forms – Ultimate Forms Plugin for WordPress versions listed as affected should be reviewed: NEX-Forms – Ultimate Forms Plugin for WordPress up to and including 9.2.2.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.