# CVE-2024-34312: Cross-site scripting in n/a

> An attacker can inject malicious scripts into the Virtual Programming Lab plugin for Moodle, potentially compromising user sessions or executing code.

- **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:** 24 Jun 2024
- **Updated:** 25 Mar 2025
- **Also known as:** GHSA-x6rq-p572-3385

## What is CVE-2024-34312?

CVE-2024-34312 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jun 2024. 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

Virtual Programming Lab for Moodle up to v4.2.3 was discovered to contain a cross-site scripting (XSS) vulnerability via the component vplide.js.

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

## Which versions are affected by CVE-2024-34312?

It affects 1 product.


Products: Moodle Virtual Programming Lab.

## How do I fix CVE-2024-34312?

No fix has been published for CVE-2024-34312 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-34312 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-34312 exists.

Public exploit code:

- ☣️ This repository contains the description and a proof of concept for CVE-2024-34312 (github_poc): https://github.com/vincentscode/CVE-2024-34312

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-34312 and fix it if it is affected.

What it is: CVE-2024-34312 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jun 2024. An attacker can exploit it over the internet without logging in, 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-2024-34312 exists.

Affected product: n/a. 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-2024-34312/ (Markdown: https://insights.sbomify.com/CVE-2024-34312/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-34312
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-34312
- OSV: https://osv.dev/vulnerability/CVE-2024-34312

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From sbomify Insights: https://insights.sbomify.com/CVE-2024-34312/
Summaries are generated and may contain mistakes; the official description above is the record.