NEX-Forms <= 7.7.1 — Missing Authorization on Various AJAX Actions
CVE-2020-36670Published · Updated Action summary
Affected: ≤7.7.1Update to 7.8 or newer
All remediation steps- Severity
- Medium6.3
- CVSS
- 6.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LWhat 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:LIntegrity- Low
A:LAvailability- Low
- Weakness
- CWE-862 Missing 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≤ 7.7.1
- Patched in7.8
Update to 7.8 or newer.
You are affected if you run ≤ 7.7.1. Version 7.8 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, 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 Chloe Chamberland.
The NEX-Forms. plugin for WordPress is vulnerable to unauthorized disclosure and modification of data in versions up to, and including 7.7.1 due to missing capability checks on several AJAX actions. This makes it possible for authenticated attackers with subscriber level permissions and above to invoke these functions which can be used to perform actions like modify form submission records, deleting files, sending test emails, modifying plugin settings, and more.
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
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
≤1.0.2Update to 1.1
- Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System
≤3.3.9Update to 3.4.0
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 6.3
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.