CVE-2026-5063

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.2 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

May 03, 2026

Last Modified

May 05, 2026

CWE ID

CWE-79

Source

NVD

External References

https://plugins.trac.wordpress.org/changeset/3513524/nex-forms-express-wp-form-builder
https://www.wordfence.com/threat-intel/vulnerabilities/id/9bac82ee-55bf-4381-b441-115a675e4834?source=cve

CVE-2026-5063

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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