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Vulnerability record · CVE-2021-34675 · published 19 July 2021

CVE-2021-34675: Basixonline nex-forms improper authentication vulnerability

Basixonline · Nex Forms

Basix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.

7.5 CVSS 3.1 High EPSS 1.8% · top 22.1% CWE-287 · Improper authentication
7.5CVSS 3.1 base score, v2 5.0
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Basix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://basixonline.net/nex-forms-wordpress-form-builder-demo/change-log/ Release NotesVendor Advisory
https://github.com/rauschecker/CVEs/tree/main/CVE-2021-34675 ExploitThird Party Advisory
http://basixonline.net/nex-forms-wordpress-form-builder-demo/change-log/ Release NotesVendor Advisory
https://github.com/rauschecker/CVEs/tree/main/CVE-2021-34675 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2015-9452Basixonline nex-forms sql injection vulnerabilityThe nex-forms-express-wp-form-builder plugin before 4.6.1 for WordPress has SQL injection via the wp-admin/admin.php?page=nex-forms-main nex_forms_Id…EPSS 2.4%8.8CVE-2023-52120Basixonline nex-forms cross-site request forgery vulnerabilityCross-Site Request Forgery (CSRF) vulnerability in Basix NEX-Forms – Ultimate Form Builder – Contact forms and much more.This issue affects NEX-Forms…EPSS 0.22%8.8CVE-2022-3142Basixonline nex-forms sql injection vulnerabilityThe NEX-Forms WordPress plugin before 7.9.7 does not properly sanitise and escape user input before using it in SQL statements, leading to SQL inject…EPSS 15%7.5CVE-2021-34676Basixonline nex-forms improper authentication vulnerabilityBasix NEX-Forms through 7.8.7 allows authentication bypass for Excel report generation.EPSS 1.8%7.2CVE-2024-53808Basixonline nex-forms sql injection vulnerabilityImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms nex-forms-express-wp-form-build…EPSS 0.61%7.2CVE-2023-50838Basixonline nex-forms sql injection vulnerabilityImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Basix NEX-Forms – Ultimate Form Builder – Conta…EPSS 0.57%7.2CVE-2023-2114Basixonline nex-forms sql injection vulnerabilityThe NEX-Forms WordPress plugin before 8.4 does not properly escape the `table` parameter, which is populated with user input, before concatenating it…EPSS 45%6.3CVE-2025-4208Basixonline nex-forms code injection vulnerabilityThe NEX-Forms – Ultimate Form Builder – Contact forms and much more plugin for WordPress is vulnerable to Limited Code Execution in all versions up t…EPSS 0.34%

Source: NIST National Vulnerability Database (record CVE-2021-34675), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.