# CVE-2022-4216: Chained Quiz <= 1.3.2.2 - Authenticated (Admin+) Stored Cross-Site Scripting via Facebook App ID

> Administrators can inject arbitrary scripts via the Facebook App ID field, leading to stored XSS execution for other users.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 2 Dec 2022
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-x668-cjp3-p737

## What is CVE-2022-4216?

CVE-2022-4216 is a medium-severity cross-site scripting vulnerability in prasunsen Chained Quiz, published on 2 Dec 2022. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The Chained Quiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'facebook_appid' parameter in versions up to, and including, 1.3.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with administrative privileges to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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

## Which versions are affected by CVE-2022-4216?

It affects 1 product.


Products: Kibokolabs Chained Quiz.

## How do I fix CVE-2022-4216?

No fix has been published for CVE-2022-4216 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-4216 being exploited?

There is no known exploitation of CVE-2022-4216 in the wild and no public exploit code.

## Other vulnerabilities in prasunsen Chained Quiz

- [CVE-2018-14502](https://insights.sbomify.com/CVE-2018-14502/): SQL injection in n/a (critical 9.8)
- [CVE-2022-4208](https://insights.sbomify.com/CVE-2022-4208/): Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via datef (medium 6.1)
- [CVE-2022-4209](https://insights.sbomify.com/CVE-2022-4209/): Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via pointsf (medium 6.1)
- [CVE-2022-4210](https://insights.sbomify.com/CVE-2022-4210/): Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via dnf (medium 6.1)
- [CVE-2022-4211](https://insights.sbomify.com/CVE-2022-4211/): Chained Quiz <= 1.3.2 - Reflected Cross-Site Scripting via emailf (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-4216 and fix it if it is affected.

What it is: CVE-2022-4216 is a medium-severity cross-site scripting vulnerability in prasunsen Chained Quiz, published on 2 Dec 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-4216 in the wild and no public exploit code.

Affected product: prasunsen Chained Quiz. 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-2022-4216/ (Markdown: https://insights.sbomify.com/CVE-2022-4216/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-4216
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-4216
- OSV: https://osv.dev/vulnerability/CVE-2022-4216

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From sbomify Insights: https://insights.sbomify.com/CVE-2022-4216/
Summaries are generated and may contain mistakes; the official description above is the record.