CVE-2023-50838

WordPress NEX-Forms – Ultimate Form Builder Plugin <= 8.5.5 is vulnerable to SQL Injection

Published Dec 28, 2023 CVSS 3.1 · 7.6 High EPSS < 1% KEV · Not listed

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms – Ultimate Form Builder – Contact forms and much more: from n/a through 8.5.5.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Basix

NEX-Forms – Ultimate Form Builder – Contact forms and much more

unaffected

Version	Status	Constraints
`n/a`	affected	≤ 8.5.5

Configuration 1 [-]

cpe:2.3:a:basixonline:nex-forms:*:*:*:*:*:wordpress:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update to 8.5.6 or a higher version.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2023-55571	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms – Ultimate Form Builder – Contact forms and much more: from n/a through 8.5.5.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.574% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://patchstack.com/database/vulnerability/nex-forms-express-wp-form-builder/wordpress-nex-forms-ultimate-form-builder-8-5-5-sql-injection-vulnerability?_s_id=cve

History

Apr 28, 2026 6:30 PM Description updated View changes

Type	Values Removed	Values Added
Description	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms – Ultimate Form Builder – Contact forms and much more: from n/a through 8.5.5.	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms – Ultimate Form Builder – Contact forms and much more: from n/a through 8.5.5.