# CVE-2023-3645: Contact Form Builder by Bit Form < 2.2.0 - Admin+ Stored XSS

> Admin users can inject malicious scripts via unsanitized settings in the Bit Form WordPress plugin, bypassing multisite restrictions.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 14 Aug 2023
- **Updated:** 9 Oct 2024
- **Also known as:** GHSA-jffh-r6jg-55gc

## What is CVE-2023-3645?

CVE-2023-3645 is a medium-severity cross-site scripting vulnerability in Unknown Contact Form Builder by Bit Form, published on 14 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The Contact Form Builder by Bit Form WordPress plugin before 2.2.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

## Which versions are affected by CVE-2023-3645?

It affects 1 product.


Products: Bitapps Contact Form Builder.

## How do I fix CVE-2023-3645?

No fix has been published for CVE-2023-3645 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3645 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3645 exists.

## Other vulnerabilities in Unknown Contact Form Builder by Bit Form

- [CVE-2024-7777](https://insights.sbomify.com/CVE-2024-7777/): Path traversal in Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder (critical 9.0)
- [CVE-2024-7782](https://insights.sbomify.com/CVE-2024-7782/): Path traversal in Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder (high 8.7)
- [CVE-2024-7702](https://insights.sbomify.com/CVE-2024-7702/): SQL injection in Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder (high 7.2)
- [CVE-2024-7780](https://insights.sbomify.com/CVE-2024-7780/): SQL injection in Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder (high 7.2)
- [CVE-2024-7775](https://insights.sbomify.com/CVE-2024-7775/): File upload in Contact Form by Bit Form: Multi Step Form, Calculation Contact Form, Payment Contact Form & Custom Contact Form builder (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3645 and fix it if it is affected.

What it is: CVE-2023-3645 is a medium-severity cross-site scripting vulnerability in Unknown Contact Form Builder by Bit Form, published on 14 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3645 exists.

Affected product: Unknown Contact Form Builder by Bit Form. 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-2023-3645/ (Markdown: https://insights.sbomify.com/CVE-2023-3645/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3645
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3645
- OSV: https://osv.dev/vulnerability/CVE-2023-3645

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-3645/
Summaries are generated and may contain mistakes; the official description above is the record.