# CVE-2023-36463: Cross site scripting (XSS) in meldekarten generator

> Attackers can inject malicious scripts into text fields of the local registration card generator, potentially executing code in the victim's browser.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L`)
- **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:** 27 Jun 2023
- **Updated:** 3 Dec 2024
- **Also known as:** GHSA-f2gp-85cr-vgj7

## What is CVE-2023-36463?

CVE-2023-36463 is a medium-severity cross-site scripting vulnerability in jucktnich meldekarten-generator, published on 27 Jun 2023. 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

Meldekarten generator is an open source project to create a program, running locally in the browser without the need for an internet-connection, to create, store and print registration cards for volunteers. All text fields on the webpage are vulnerable to XSS attacks. The user input isn't (fully) sanitized after submission. This issue has been addressed in commit `77e04f4af` which is included in the `1.0.0b1.1.2` release. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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

## Which versions are affected by CVE-2023-36463?

It affects 1 product.


Products: Meldekarten Generator Project Meldekarten Generator.

## How do I fix CVE-2023-36463?

No fix has been published for CVE-2023-36463 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-36463 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-36463 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-36463 and fix it if it is affected.

What it is: CVE-2023-36463 is a medium-severity cross-site scripting vulnerability in jucktnich meldekarten-generator, published on 27 Jun 2023. 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-2023-36463 exists.

Affected product: jucktnich meldekarten-generator. 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-2023-36463/ (Markdown: https://insights.sbomify.com/CVE-2023-36463/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-36463
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-36463
- OSV: https://osv.dev/vulnerability/CVE-2023-36463

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-36463/
Summaries are generated and may contain mistakes; the official description above is the record.