The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via POST parameter key names in the submit_nex_fo…

Code

The project this record applies to. Exploit listings stay in References.

• Plugin source · wordpress.org

Timeline

Detection, updates, and resolution for this record.

1. May 3, 2026 · NIST NVD

   Detected

   The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via POST parameter key names in the submit_nex_form() function in versions up to, and including, 9.1.11 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenev

2. Jun 17, 2026 · NIST NVD

   Updated

   The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via POST parameter key names in the submit_nex_form() function in versions up to, and including, 9.1.11 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenev

Sources

• CVE.orgVulnerability recordCVE-2026-5063

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-5063

  The NEX-Forms – Ultimate Forms Plugin for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via POST parameter key names in the submit_nex_form() function in versions up to, and including, 9.1.11 due to insufficient input sanitization and output escaping

  nvd.nist.gov

References

• Reference · plugins.trac.wordpress.org
• Reference · wordfence.com