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Vulnerabilities and Security Researches

NEX-Forms – Ultimate Form Builder – Contact forms and much more, CVE-2026-5063

CVE, Research URL

CVE-2026-5063

Published on
May 03, 2026
Research Description
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 whenever a user accesses an injected page.
Affected versions
max 9.1.12.
Status
vulnerable