# CVE-2021-24596: youForms for WordPress <= 1.0.5 - Authenticated Stored Cross-Site Scripting

> Authenticated high-privilege users can inject malicious scripts via the Button Text field in youForms templates, leading to stored XSS.

- **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:** 20 Sep 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-c4rx-6458-242x

## What is CVE-2021-24596?

CVE-2021-24596 is a medium-severity cross-site scripting vulnerability in Unknown youForms for WordPress – Creating Forms for CopeCart, published on 20 Sep 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The youForms for WordPress plugin through 1.0.5 does not sanitise escape the Button Text field of its Templates, allowing high privilege users (editors and admins) to perform Cross-Site Scripting attacks 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-2021-24596?

It affects 1 product.


Products: Itservicejung Youforms-Free-for-Copecart.

## How do I fix CVE-2021-24596?

No fix has been published for CVE-2021-24596 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24596 being exploited?

There is no known exploitation of CVE-2021-24596 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24596 and fix it if it is affected.

What it is: CVE-2021-24596 is a medium-severity cross-site scripting vulnerability in Unknown youForms for WordPress – Creating Forms for CopeCart, published on 20 Sep 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-2021-24596 in the wild and no public exploit code.

Affected product: Unknown youForms for WordPress – Creating Forms for CopeCart. 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-2021-24596/ (Markdown: https://insights.sbomify.com/CVE-2021-24596/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24596
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24596
- OSV: https://osv.dev/vulnerability/CVE-2021-24596

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24596/
Summaries are generated and may contain mistakes; the official description above is the record.