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.
Published: 2026-05-03
Score: 7.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 04 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 03 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Webaways
Webaways nex-forms-ultimate-forms-plugin
Wordpress
Wordpress wordpress
Vendors & Products Webaways
Webaways nex-forms-ultimate-forms-plugin
Wordpress
Wordpress wordpress

Sun, 03 May 2026 05:45:00 +0000

Type Values Removed Values Added
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.
Title NEX-Forms <= 9.1.11 - Unauthenticated Stored Cross-Site Scripting via POST Parameter Key Names
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

Webaways Nex-forms-ultimate-forms-plugin
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-05-04T17:51:02.708Z

Reserved: 2026-03-27T20:10:36.015Z

Link: CVE-2026-5063

cve-icon Vulnrichment

Updated: 2026-05-04T16:14:59.435Z

cve-icon NVD

Status : Deferred

Published: 2026-05-03T06:15:57.650

Modified: 2026-05-05T19:13:44.530

Link: CVE-2026-5063

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-03T21:30:27Z

Weaknesses