7.2High

CVE-2026-5063NEX-Forms <= 9.1.11 - Unauthenticated Stored Cross-Site Scripting via POST Parameter Key Names

webaways NEX-Forms – Ultimate Forms Plugin for WordPress Published: 2026-05-03 07:25 (6 months ago)

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.

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
webaways	NEX-Forms – Ultimate Forms Plugin for WordPress	≤ 9.1.11

References and patches

CVSS score

7.2High

Source: Wordfence · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

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

All scores (2)

cna	CVSS 3.1	7.2High
security@wordfence.com	CVSS 3.1	7.2High

EPSS (chance of exploitation in 30 days)

0.24%

higher than 16% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: yes
Technical impact: partial

Timeline

ID reserved2026-03-27
Published2026-05-03 07:25
Reached IP-DB2026-10-24 23:44
Last updated2026-06-17 13:58

Assigned by (CNA): Wordfence
NVD status: Deferred

View at source: CVE.org · NVD

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