# CVE-2021-24792: Shiny Buttons <= 1.1.0 - Unauthenticated Stored Cross-Site Scripting

> Unauthenticated attackers can inject malicious scripts via unsanitized template inputs, leading to stored XSS in the admin dashboard.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Dec 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-m65r-7jgg-xwhp

## What is CVE-2021-24792?

CVE-2021-24792 is a medium-severity cross-site scripting vulnerability in Unknown Shiny Buttons – CSS3 Button Generator for WordPress, published on 13 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Shiny Buttons WordPress plugin through 1.1.0 does not have any authorisation and CSRF in place when saving a template (wpbtn_save_template function hooked to the init action), nor sanitise and escape them before outputting them in the admin dashboard, which allow unauthenticated users to add a malicious template and lead to Stored Cross-Site Scripting issues.

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

## Which versions are affected by CVE-2021-24792?

It affects 1 product.


Products: Wpeden Shiny Buttons.

## How do I fix CVE-2021-24792?

No fix has been published for CVE-2021-24792 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24792 being exploited?

There is no known exploitation of CVE-2021-24792 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24792 and fix it if it is affected.

What it is: CVE-2021-24792 is a medium-severity cross-site scripting vulnerability in Unknown Shiny Buttons – CSS3 Button Generator for WordPress, published on 13 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24792 in the wild and no public exploit code.

Affected product: Unknown Shiny Buttons – CSS3 Button Generator for WordPress. 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-2021-24792/ (Markdown: https://insights.sbomify.com/CVE-2021-24792/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24792
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24792
- OSV: https://osv.dev/vulnerability/CVE-2021-24792

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24792/
Summaries are generated and may contain mistakes; the official description above is the record.