# CVE-2024-7739: yzane vscode-markdown-pdf cross site scripting

> A cross-site scripting vulnerability in the vscode-markdown-pdf extension allows remote attackers to execute arbitrary code.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Aug 2024
- **Updated:** 13 Aug 2024
- **Also known as:** GHSA-hp2v-428v-v89g

## What is CVE-2024-7739?

CVE-2024-7739 is a medium-severity cross-site scripting vulnerability in yzane vscode-markdown-pdf, published on 13 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability, which was classified as problematic, was found in yzane vscode-markdown-pdf 1.5.0. This affects an unknown part. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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

## Which versions are affected by CVE-2024-7739?

It affects 1 product.


Products: Yzane Markdown Pdf.

## How do I fix CVE-2024-7739?

No fix has been published for CVE-2024-7739 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-7739 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7739 exists.

## Other vulnerabilities in yzane vscode-markdown-pdf

- [CVE-2024-7738](https://insights.sbomify.com/CVE-2024-7738/): yzane vscode-markdown-pdf Markdown File pathname traversal (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-7739 and fix it if it is affected.

What it is: CVE-2024-7739 is a medium-severity cross-site scripting vulnerability in yzane vscode-markdown-pdf, published on 13 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7739 exists.

Affected product: yzane vscode-markdown-pdf. 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-2024-7739/ (Markdown: https://insights.sbomify.com/CVE-2024-7739/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-7739
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-7739
- OSV: https://osv.dev/vulnerability/CVE-2024-7739

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-7739/
Summaries are generated and may contain mistakes; the official description above is the record.