# CVE-2025-6679: Contact Form by Bit Form - Bit Form <= 2.20.3 - Unauthenticated Arbitrary File Upload

> Unauthenticated attackers can upload arbitrary files to the server, potentially leading to remote code execution, if the PRO version and specific form elements are active.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 Aug 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-q776-mw7h-gmxg

## What is CVE-2025-6679?

CVE-2025-6679 is a critical vulnerability in bitpressadmin Bit Form – Custom Contact Form, Multi Step, Conversational Form & Payment Form builder, published on 15 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Bit Form builder plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in all versions up to, and including, 2.20.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. For this to be exploitable, the PRO version needs to be installed and activated as well. Additionally a form with an advanced file upload element needs to be published.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2025-6679?


## How do I fix CVE-2025-6679?

No fix has been published for CVE-2025-6679 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-6679 being exploited?

There is no known exploitation of CVE-2025-6679 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-6679 and fix it if it is affected.

What it is: CVE-2025-6679 is a critical vulnerability in bitpressadmin Bit Form – Custom Contact Form, Multi Step, Conversational Form & Payment Form builder, published on 15 Aug 2025. 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-2025-6679 in the wild and no public exploit code.

Affected product: bitpressadmin Bit Form – Custom Contact Form, Multi Step, Conversational Form & Payment 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-2025-6679/ (Markdown: https://insights.sbomify.com/CVE-2025-6679/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-6679
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6679
- OSV: https://osv.dev/vulnerability/CVE-2025-6679

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-6679/
Summaries are generated and may contain mistakes; the official description above is the record.