Form Builder <= 1.9.9.0 — Unauthenticated CSV Injection
CVE-2023-23796Published · Updated Action summary
Affected: ≤1.9.9.0No patch available
What to do until a fix ships- Severity
- High8.3
- CVSS
- 8.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:LAvailability- Low
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Form Builder | Create Responsive Contact Forms contact-form-add
- Affected≤ 1.9.9.0
- PatchedNo fix yet
No patched version available.
You are affected if you run ≤ 1.9.9.0. No fixed version has been released.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Form Builder | Create Responsive Contact Forms.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Form Builder | Create Responsive Contact Forms to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Rafshanzani Suhada.
The Form Builder plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 1.9.9.0. This allows unauthenticated attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.
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 Form Builder | Create Responsive Contact Forms
All 4| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.5 | Cross-Site Request Forgery ≤1.9.9.0No patch available | CVE-2023-23795 | |
| Medium5.5 | Authenticated Stored Cross-Site Scripting ≤1.9.8.3Update to 1.9.8.4 | CVE-2021-24513 | |
| Medium6.1 | Cross-Site Scripting ≤1.9.8.4Update to 1.9.8.5 | — |
- Medium6.5Cross-Site Request Forgery
≤1.9.9.0No patch available
- Medium5.5Authenticated Stored Cross-Site Scripting
≤1.9.8.3Update to 1.9.8.4
- Medium6.1Cross-Site Scripting
≤1.9.8.4Update to 1.9.8.5
Timeline
CVE published
Severity high, CVSS 8.3
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. 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.