← Vulnerability feed

Vulnerability record · CVE-2021-34676 · published 19 July 2021

CVE-2021-34676: Basixonline nex-forms improper authentication vulnerability

Basixonline · Nex Forms

Basix NEX-Forms through 7.8.7 allows authentication bypass for Excel report generation.

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 Excel report generation.

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-2021-34676 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-2021-34676 ExploitThird Party Advisory

Track CVE-2021-34676 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

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-2021-34675Basixonline nex-forms improper authentication vulnerabilityBasix NEX-Forms through 7.8.7 allows authentication bypass for stored PDF reports.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-2021-34676), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.