# CVE-2021-24514: Visual Form Builder < 3.0.4 - Admin+ Stored Cross-Site Scripting

> Admin users can inject malicious scripts via Form Name in Visual Form Builder, leading to stored XSS attacks against other users.

- **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:** 25 Oct 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-x9p3-344r-7wm6

## What is CVE-2021-24514?

CVE-2021-24514 is a medium-severity cross-site scripting vulnerability in Unknown Visual Form Builder, published on 25 Oct 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The Visual Form Builder WordPress plugin before 3.0.4 does not sanitise or escape its Form Name, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed

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

## Which versions are affected by CVE-2021-24514?

It affects 1 product.


Products: Vfbpro Visual Form Builder.

## How do I fix CVE-2021-24514?

No fix has been published for CVE-2021-24514 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24514 being exploited?

There is no known exploitation of CVE-2021-24514 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Visual Form Builder

- [CVE-2022-0142](https://insights.sbomify.com/CVE-2022-0142/): Visual Form Builder < 3.0.6 - CSV Injection (critical 9.8)
- [CVE-2022-0141](https://insights.sbomify.com/CVE-2022-0141/): Visual Form Builder < 3.0.8 - Entries Deletion/Restoration via CSRF (high 8.1)
- [CVE-2022-0140](https://insights.sbomify.com/CVE-2022-0140/): Visual Form Builder < 3.0.6 - Unauthenticated Information Disclosure (medium 5.3)
- [CVE-2022-1046](https://insights.sbomify.com/CVE-2022-1046/): Visual Form Builder < 3.0.7 - Admin+ Stored Cross-Site Scripting (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24514 and fix it if it is affected.

What it is: CVE-2021-24514 is a medium-severity cross-site scripting vulnerability in Unknown Visual Form Builder, published on 25 Oct 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24514 in the wild and no public exploit code.

Affected product: Unknown Visual 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-2021-24514/ (Markdown: https://insights.sbomify.com/CVE-2021-24514/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24514
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24514
- OSV: https://osv.dev/vulnerability/CVE-2021-24514

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24514/
Summaries are generated and may contain mistakes; the official description above is the record.