Create custom forms for WordPress with a smart form plugin for smart businesses <= 1.2.4 — Unauthenticated Arbitrary Shortcode Execution

Am I affected?

• Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Create custom forms for WordPress with a smart form plugin for smart businesses – Form builder for WordPress.
• No admin access? Run a passive check of your site. It reads public files only.
• No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

1. No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
3. Watch Create custom forms for WordPress with a smart form plugin for smart businesses – Form builder for WordPress to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Avraham Shemesh.

The The Create custom forms for WordPress with a smart form plugin for smart businesses plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.2.4. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

• Advisorywordfence.com

Timeline

1. Apr 25, 2025

   CVE published

   Severity high, CVSS 7.3

2. Nov 13, 2026

   Record last updated