CVE-2023-24521 Cross-site scripting in NetWeaver AS ABAP (BSP Framework)

Medium 6.1 Published 14 Feb 2023 Updated 21 Mar 2025

Unauthenticated attackers can inject malicious code into SAP NetWeaver sessions to access unintended data and compromise integrity.

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-2023-24521?

CVE-2023-24521 is a medium-severity cross-site scripting vulnerability in SAP NetWeaver AS ABAP (BSP Framework), published on 14 Feb 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

Due to insufficient input sanitization, SAP NetWeaver AS ABAP (BSP Framework) - versions 700, 701, 702, 731, 740, 750, 751, 752, 753, 754, 755, 756, 757, allows an unauthenticated user to alter the current session of the user by injecting the malicious code over the network and gain access to the unintended data. This may lead to a limited impact on the confidentiality and the integrity of the application.

Weakness: CWE-79

Which versions are affected by CVE-2023-24521?

It affects 1 product.

Products include Sap Netweaver as Abap Business Server Pages.

How do I fix CVE-2023-24521?

No fix has been published for CVE-2023-24521 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-2023-24521 being exploited?

There is no known exploitation of CVE-2023-24521 in the wild and no public exploit code.

Sources

Also known as GHSA-j995-j9xm-88p3.