# CVE-2023-6830: Formidable Forms <= 6.7 - HTML Injection

> Unauthenticated attackers can inject HTML into form fields, leading to admin defacement or redirection when viewed in the Entries View Page.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Jan 2024
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-p2gq-hc84-24mm

## What is CVE-2023-6830?

CVE-2023-6830 is a medium-severity cross-site scripting vulnerability in strategy11team Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder, published on 9 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

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. CVE-2024-23522 appears to be a duplicate of this issue.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-6830?

It affects 1 product.


Products: Strategy11 Formidable Form Builder.

## How do I fix CVE-2023-6830?

No fix has been published for CVE-2023-6830 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6830 being exploited?

There is no known exploitation of CVE-2023-6830 in the wild and no public exploit code.

## Other vulnerabilities in strategy11team Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder

- [CVE-2019-15780](https://insights.sbomify.com/CVE-2019-15780/): Deserialization in n/a (critical 9.8)
- [CVE-2021-24884](https://insights.sbomify.com/CVE-2021-24884/): Formidable Form Builder < 4.09.05 - Unauthenticated Stored Cross-Site Scripting (critical 9.6)
- [CVE-2017-20192](https://insights.sbomify.com/CVE-2017-20192/): Formidable Form Builder < 2.05.03 - Unauthenticated Stored Cross-Site Scripting (high 8.3)
- [CVE-2023-24419](https://insights.sbomify.com/CVE-2023-24419/): WordPress Formidable Forms Plugin <= 5.5.6 is vulnerable to Cross Site Request Forgery (CSRF) (high 7.1)
- [CVE-2023-0816](https://insights.sbomify.com/CVE-2023-0816/): Formidable Forms < 6.1 - IP Spoofing (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6830 and fix it if it is affected.

What it is: CVE-2023-6830 is a medium-severity cross-site scripting vulnerability in strategy11team Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder, published on 9 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-6830 in the wild and no public exploit code.

Affected product: strategy11team Formidable Forms – Contact Form Plugin, Survey, Quiz, Payment, Calculator Form & Custom Form Builder. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2023-6830/ (Markdown: https://insights.sbomify.com/CVE-2023-6830/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6830
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6830
- OSV: https://osv.dev/vulnerability/CVE-2023-6830

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-6830/
Summaries are generated and may contain mistakes; the official description above is the record.