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

Medium 6.1 Published 8 Jul 2025 Updated 8 Jul 2025

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

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: None listed

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

Which versions are affected by CVE-2025-42956?

It affects 1 product.

Products include 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.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-42956 being exploited?

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

Sources

Also known as GHSA-fghj-5cg6-fhcg.