High-Impact XSS in SAP NetWeaver ABAP Server
CVE-2026-66779 Published on August 11, 2026

Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP
Due to a Cross-Site Scripting (XSS) vulnerability in SAP NetWeaver Application Server ABAP, an authenticated attacker could generate a malicious link and make it publicly accessible. If an authenticated victim accesses this link, the injected input is processed and reflected within the DOM on the client side during page rendering, resulting in the execution of malicious content in the victim's browser context. Successful exploitation could result in a high impact to the confidentiality and a low impact to the integrity of the system, while availability remains unaffected.

NVD

Vulnerability Analysis

CVE-2026-66779 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
REQUIRED
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-66779 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2026-66779

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SAP Netweaver Application Server Abap
 

Affected Versions

SAP_SE SAP NetWeaver Application Server ABAP: