# CVE-2025-42956: Multiple vulnerabilities in SAP NetWeaver Application Server ABAP

> An unauthenticated attacker can inject malicious scripts via a link, causing low-impact confidentiality and integrity breaches in the victim's browser.

- **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:** 8 Jul 2025
- **Updated:** 8 Jul 2025
- **Also known as:** GHSA-fghj-5cg6-fhcg

## What is CVE-2025-42956?

CVE-2025-42956 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver Application Server ABAP, published on 8 Jul 2025. 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

SAP NetWeaver Application Server ABAP and ABAP Platform allows an unauthenticated attacker to create a malicious link which they can make publicly available. When an authenticated victim clicks on this malicious link, injected input data will be used by the web site page generation to create content which when executed in the victim's browser leading to low impact on Confidentiality and Integrity with no effect on Availability of the application.

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

## Which versions are affected by CVE-2025-42956?

It affects 1 product.


Products: Sap Sap Basis.

## How do I fix CVE-2025-42956?

No fix has been published for CVE-2025-42956 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-42956 being exploited?

There is no known exploitation of CVE-2025-42956 in the wild and no public exploit code.

## Other vulnerabilities in SAP NetWeaver Application Server ABAP

- [CVE-2025-0066](https://insights.sbomify.com/CVE-2025-0066/): Information Disclosure vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform (Internet Communication Framework) (critical 9.9)
- [CVE-2026-23687](https://insights.sbomify.com/CVE-2026-23687/): XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform (high 8.8)
- [CVE-2025-0063](https://insights.sbomify.com/CVE-2025-0063/): SQL Injection vulnerability in SAP NetWeaver AS for ABAP and ABAP Platform (high 8.8)
- [CVE-2026-0484](https://insights.sbomify.com/CVE-2026-0484/): Missing Authorization check in SAP NetWeaver Application Server ABAP and SAP S/4HANA (medium 6.5)
- [CVE-2025-0058](https://insights.sbomify.com/CVE-2025-0058/): Information Disclosure vulnerability in SAP Business Workflow and SAP Flexible Workflow (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-42956 and fix it if it is affected.

What it is: CVE-2025-42956 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver Application Server ABAP, published on 8 Jul 2025. 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-2025-42956 in the wild and no public exploit code.

Affected product: SAP NetWeaver Application Server ABAP. 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-2025-42956/ (Markdown: https://insights.sbomify.com/CVE-2025-42956/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-42956
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-42956
- OSV: https://osv.dev/vulnerability/CVE-2025-42956

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-42956/
Summaries are generated and may contain mistakes; the official description above is the record.