CVE-2024-21738 Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver ABAP Application Server and ABAP Platform

Medium 4.1 Published 9 Jan 2024 Updated 3 Jun 2025

An attacker with low privileges can exploit insufficient input encoding to perform Cross-Site Scripting, leading to limited confidentiality impact on application data.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-21738?

CVE-2024-21738 is a medium-severity cross-site scripting vulnerability in Sap Netweaver Application Server Abap, published on 9 Jan 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

SAP NetWeaver ABAP Application Server and ABAP Platform do not sufficiently encode user-controlled inputs, resulting in Cross-Site Scripting (XSS) vulnerability. An attacker with low privileges can cause limited impact to confidentiality of the application data after successful exploitation.

Weakness: CWE-79

Which versions are affected by CVE-2024-21738?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2024-21738?

No fix has been published for CVE-2024-21738 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-2024-21738 being exploited?

There is no known exploitation of CVE-2024-21738 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-ccxm-r356-vpjv.