# CVE-2023-39216: Cross-site scripting in Zoom Desktop Client for Windows

> An unauthenticated attacker can exploit improper input validation in the Zoom Windows client to escalate privileges via network access.

- **Severity:** Critical 9.6 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **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:** 8 Aug 2023
- **Updated:** 10 Oct 2024
- **Also known as:** GHSA-6cv5-8fpc-p4rh

## What is CVE-2023-39216?

CVE-2023-39216 is a critical cross-site scripting vulnerability in Zoom Zoom, published on 8 Aug 2023. 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

Improper input validation in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.

Weakness: CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page)

## Which versions are affected by CVE-2023-39216?

It affects 1 product.


Products: Zoom Zoom.

## How do I fix CVE-2023-39216?

No fix has been published for CVE-2023-39216 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-39216 being exploited?

There is no known exploitation of CVE-2023-39216 in the wild and no public exploit code.

## Other vulnerabilities in Zoom Zoom

- [CVE-2018-15715](https://insights.sbomify.com/CVE-2018-15715/): Missing authorization in Zoom (critical 9.8)
- [CVE-2023-36534](https://insights.sbomify.com/CVE-2023-36534/): Path traversal in Zoom Desktop Client for Windows (critical 9.3)
- [CVE-2019-13567](https://insights.sbomify.com/CVE-2019-13567/): Command injection in n/a (high 8.8)
- [CVE-2017-15048](https://insights.sbomify.com/CVE-2017-15048/): Memory corruption in n/a (high 8.8)
- [CVE-2017-15049](https://insights.sbomify.com/CVE-2017-15049/): Command injection in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-39216 and fix it if it is affected.

What it is: CVE-2023-39216 is a critical cross-site scripting vulnerability in Zoom Zoom, published on 8 Aug 2023. 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-2023-39216 in the wild and no public exploit code.

Affected product: Zoom Zoom. 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-2023-39216/ (Markdown: https://insights.sbomify.com/CVE-2023-39216/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-39216
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-39216
- OSV: https://osv.dev/vulnerability/CVE-2023-39216

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-39216/
Summaries are generated and may contain mistakes; the official description above is the record.