# CVE-2023-42479: Cross-Site Scripting (XSS) vulnerability in SAP Biller Direct

> An unauthenticated attacker can execute cross-site scripting attacks via hidden frames, leading to disclosure or modification of non-sensitive information.

- **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:** 12 Dec 2023
- **Updated:** 26 Nov 2024
- **Also known as:** GHSA-5m62-rjgx-pxp6

## What is CVE-2023-42479?

CVE-2023-42479 is a medium-severity cross-site scripting vulnerability in SAP_SE SAP Biller Direct, published on 12 Dec 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

An unauthenticated attacker can embed a hidden access to a Biller Direct URL in a frame which, when loaded by the user, will submit a cross-site scripting request to the Biller Direct system. This can result in the disclosure or modification of non-sensitive information.

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

## Which versions are affected by CVE-2023-42479?

It affects 1 product.


Products: Sap Biller Direct.

## How do I fix CVE-2023-42479?

No fix has been published for CVE-2023-42479 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-42479 being exploited?

There is no known exploitation of CVE-2023-42479 in the wild and no public exploit code.

## Other vulnerabilities in SAP_SE SAP Biller Direct

- [CVE-2022-41207](https://insights.sbomify.com/CVE-2022-41207/): Open redirect in SAP Biller Direct (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-42479 and fix it if it is affected.

What it is: CVE-2023-42479 is a medium-severity cross-site scripting vulnerability in SAP_SE SAP Biller Direct, published on 12 Dec 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-2023-42479 in the wild and no public exploit code.

Affected product: SAP_SE SAP Biller Direct. 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-2023-42479/ (Markdown: https://insights.sbomify.com/CVE-2023-42479/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-42479
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-42479
- OSV: https://osv.dev/vulnerability/CVE-2023-42479

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-42479/
Summaries are generated and may contain mistakes; the official description above is the record.
