What is the CVSS score of CVE-2023-6830?

CVE-2023-6830 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.5%.

Which versions of Formidable Form Builder are affected by CVE-2023-6830?

Organizations using for WordPress is vulnerable to HTML injection in should be aware of notable risk from CVE-2023-6830, a cross-site scripting vulnerability rated CVSS 6.5.

How to fix or mitigate CVE-2023-6830?

Within 30 days: Identify affected systems running for WordPress is vulnerable to HTML injection in and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Formidable Form Builder CVE-2023-6830

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2024-01-09 security@wordfence.com

WordPress XSS Formidable Form Builder Wordpress Plugin Strategy11

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:34 vuln.today

CVE Published

Jan 09, 2024 - 07:15 nvd

MEDIUM 6.5

DescriptionCVE.org

The Formidable Forms plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 6.7. This vulnerability allows unauthenticated users to inject arbitrary HTML code into form fields. When the form data is viewed by an administrator in the Entries View Page, the injected HTML code is rendered, potentially leading to admin area defacement or redirection to malicious websites.

AnalysisAI

The Formidable Forms plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 6.7. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Formidable Forms plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 6.7. This vulnerability allows unauthenticated users to inject arbitrary HTML code into form fields. When the form data is viewed by an administrator in the Entries View Page, the injected HTML code is rendered, potentially leading to admin area defacement or redirection to malicious websites. Affected products include: Strategy11 Formidable Form Builder.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.