CVE-2023-23859 Cross-site scripting in NetWeaver AS for ABAP and ABAP Platform

Medium 6.1 Published 14 Feb 2023 Updated 20 Mar 2025

An unauthenticated attacker can craft a malicious link to read or modify sensitive information when clicked by a user.

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-2023-23859?

CVE-2023-23859 is a medium-severity cross-site scripting vulnerability in Sap Netweaver Application Server Abap, 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

SAP NetWeaver AS for ABAP and ABAP Platform - versions 740, 750, 751, 752, 753, 754, 755, 756, 757, 789, 790, allows an unauthenticated attacker to craft a malicious link, which when clicked by an unsuspecting user, can be used to read or modify some sensitive information.

Weakness: CWE-79

Which versions are affected by CVE-2023-23859?

It affects 1 product.

Products include Sap Netweaver Application Server Abap.

How do I fix CVE-2023-23859?

No fix has been published for CVE-2023-23859 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-2023-23859 being exploited?

There is no known exploitation of CVE-2023-23859 in the wild and no public exploit code.

All Sap Netweaver Application Server Abap vulnerabilities

Sources

Also known as GHSA-cvgg-382r-rc2v.