WordPress plugin
NEX-Forms <= 7.8.7 Authorization Bypass
CVE-2021-34676Published · Updated Action summary
Affected: ≤7.8.7Update to 7.8.8 or newer
All remediation steps- Severity
- Medium4.3
- CVSS
- 4.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:LConfidentiality- Low
I:NIntegrity- None
A:NAvailability- None
- Weakness
- CWE-285 Improper Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
NEX-Forms – Ultimate Forms Plugin for WordPress nex-forms-express-wp-form-builder
- Affected≤ 7.8.7
- Patched in7.8.8
Update to 7.8.8 or newer.
You are affected if you run ≤ 7.8.7. Version 7.8.8 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under NEX-Forms – Ultimate Forms Plugin for WordPress.
- No admin access? Run a passive check of your site. It reads public files only.
What to do
- Update to version 7.8.8, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch NEX-Forms – Ultimate Forms Plugin for WordPress to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to rauschecker.
Basix NEX-Forms through 7.8.7 allows authentication bypass for Excel report generation.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in NEX-Forms – Ultimate Forms Plugin for WordPress
All 44| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Content-Type Header ≤9.3.2Update to 9.3.3 | CVE-2026-96767 | |
| Medium5.3 | 9.3.0 - Unauthenticated Insecure Direct Object Reference 9.2.1 – 9.3.0Update to 9.3.1 | CVE-2026-106166 | |
| Medium6.4 | Authenticated (Subscriber+) Stored Cross-Site Scripting ≤9.3.1Update to 9.3.2 | CVE-2026-96607 | |
| Medium4.9 | Authenticated (Administrator+) SQL Injection via 'operator' Key of the 'additional_params' Parameter ≤9.3.0Update to 9.3.1 | CVE-2026-75961 | |
| Medium4.9 | Authenticated (Admin+) SQL Injection via 'additional_params' Parameter ≤9.2.4Update to 9.2.5 | CVE-2026-15602 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Content-Type Header
≤9.3.2Update to 9.3.3
- Medium5.39.3.0 - Unauthenticated Insecure Direct Object Reference
9.2.1 – 9.3.0Update to 9.3.1
- Medium6.4Authenticated (Subscriber+) Stored Cross-Site Scripting
≤9.3.1Update to 9.3.2
- Medium4.9Authenticated (Administrator+) SQL Injection via 'operator' Key of the 'additional_params' Parameter
≤9.3.0Update to 9.3.1
- Medium4.9Authenticated (Admin+) SQL Injection via 'additional_params' Parameter
≤9.2.4Update to 9.2.5
Timeline
CVE published
Severity medium, CVSS 4.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- [object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.