How severe is CVE-2023-50838?

CVE-2023-50838 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2023-50838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50838?

CVE-2023-50838 affects Basixonline Nex-forms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50838?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-50838 published?

CVE-2023-50838 was published on 2023-12-28 and last updated on 2026-06-17.

CVE-2023-50838

CVE-2023-50838 is a high-severity vulnerability in Basixonline Nex-forms with a CVSS 3.x base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.6)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Basixonline Nex-forms
Published: 2023-12-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-50838?: 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.
How severe is CVE-2023-50838?: CVE-2023-50838 has a CVSS 3.x base score of 7.6, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2023-50838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50838?: CVE-2023-50838 affects Basixonline Nex-forms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-50838 published?: CVE-2023-50838 was published on 2023-12-28 and last updated on 2026-06-17.

References

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

Affected products (1)

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

More vulnerabilities in Basixonline Nex-forms

CVE-2015-9452 — Critical (CVSS 9.8): The nex-forms-express-wp-form-builder plugin before 4.6.1 for WordPress has SQL injection via the…
CVE-2022-3142 — High (CVSS 8.8): The NEX-Forms WordPress plugin before 7.9.7 does not properly sanitise and escape user input before using it in SQL…
CVE-2024-53808 — High (CVSS 8.5): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms…
CVE-2021-34676 — High (CVSS 7.5): Basix NEX-Forms through 7.8.7 allows authentication bypass for Excel report generation.
CVE-2021-34675 — High (CVSS 7.5): Basix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.
CVE-2023-2114 — High (CVSS 7.2): The NEX-Forms WordPress plugin before 8.4 does not properly escape the `table` parameter, which is populated with user…

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