# CVE-2024-41662: VNote vulnerable to Markdown XSS, which leads to RCE

> Attackers can inject JavaScript via Markdown to achieve remote code execution in the VNote desktop application.

- **Severity:** High 8.6 (`CVSS:3.1/AV:L/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:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 24 Jul 2024
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-w655-h68w-vxxc

## What is CVE-2024-41662?

CVE-2024-41662 is a high-severity cross-site scripting vulnerability in vnotex vnote, published on 24 Jul 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

VNote is a note-taking platform. A Cross-Site Scripting (XSS) vulnerability has been identified in the Markdown rendering functionality of versions 3.18.1 and prior of the VNote note-taking application. This vulnerability allows the injection and execution of arbitrary JavaScript code through which remote code execution can be achieved. A patch for this issue is available at commit f1af78573a0ef51d6ef6a0bc4080cddc8f30a545. Other mitigation strategies include implementing rigorous input sanitization for all Markdown content and utilizing a secure Markdown parser that appropriately escapes or strips potentially dangerous content.

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

## Which versions are affected by CVE-2024-41662?

It affects 1 product.


Products: Vnote Project Vnote.

## How do I fix CVE-2024-41662?

No fix has been published for CVE-2024-41662 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-41662 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-41662 exists.

Public exploit code:

- Markdown XSS leads to RCE in VNote version <=3.18.1 (github_poc): https://github.com/sh3bu/CVE-2024-41662

## Other vulnerabilities in vnotex vnote

- [CVE-2019-8419](https://insights.sbomify.com/CVE-2019-8419/): VNote 2.2 has XSS via a new text note. (medium 6.1)
- [CVE-2023-5701](https://insights.sbomify.com/CVE-2023-5701/): vnotex vnote Markdown File cross site scripting (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-41662 and fix it if it is affected.

What it is: CVE-2024-41662 is a high-severity cross-site scripting vulnerability in vnotex vnote, published on 24 Jul 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-41662 exists.

Affected product: vnotex vnote. 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-2024-41662/ (Markdown: https://insights.sbomify.com/CVE-2024-41662/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-41662
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-41662
- OSV: https://osv.dev/vulnerability/CVE-2024-41662

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-41662/
Summaries are generated and may contain mistakes; the official description above is the record.