PT-2026-36681 · Webaways · Nex-Forms – Ultimate Forms Plugin For Wordpress

Naoya Takahashi · Published 2026-05-03 · Updated 2026-05-03 · CVE-2026-5063

NVD

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

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.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-5063

Affected Products

Nex-Forms – Ultimate Forms Plugin For Wordpress

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-5063 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/9bac82ee-55bf-4381-b441-115a675e4834?source=cve · Note
• https://plugins.trac.wordpress.org/changeset/3513524/nex-forms-express-wp-form-builder · Note