# Onapsis Security Advisory 2022-0005: Cross-Site Scripting (XSS)  
vulnerability in SAP Fiori launchpad  
## Impact on Business  
Impact depends on the victim's privileges. In most cases, a successful  
allows an attacker to hijack a session, or force the victim to perform  
requests in the SAP System (CSRF) as well as redirected to arbitrary web  
(Open Redirect).  
## Advisory Information  
- Public Release Date: 06/21/2022  
- Security Advisory ID: ONAPSIS-2022-0005  
- Researcher(s): Yvan Genuer  
## Vulnerability Information  
- Vendor: SAP  
- Affected Components:  
- SAP\_UI 753  
- SAP\_UI 754  
- SAP\_UI 755  
- SAP\_UI 756  
- SAP\_BASIS 787  
(Check SAP Note 3149805 for detailed information on affected releases)  
- Vulnerability Class: CWE-79  
- CVSS v3 score: 8.2 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:N  
- Risk Level: High  
- Assigned CVE: CVE-2022-26101  
- Vendor patch Information: SAP Security NOTE 3149805  
## Affected Components Description  
SAP Fiori launchpad is the entry point to ABAP platform for SAP Fiori apps  
mobile and desktop devices.  
## Vulnerability Details  
During the navigation in SAP Fiori Launchpad, it is possible to provide a  
theme name using the url parameter ```sap-theme```. This parameter has an  
option to provide the path to a .css file, which it is used directly in the  
generation. This optional input is not sufficiently sanitized, allowing an  
attacker to  
control and craft any kind of html payload in the page requested.  
## Solution  
SAP has released SAP Note 3149805 which provide patched versions of the  
affected components.  
The patches can be downloaded from  
Onapsis strongly recommends SAP customers to download the related  
security fixes and apply them to the affected components in order to  
reduce business risks.  
## Report Timeline  
- 01/28/2022: Onapsis sends details to SAP  
- 02/09/2022: SAP provides internal ID  
- 03/08/2022: SAP releases SAP Note fixing the issue.  
- 06/21/2022: Advisory published  
## References  
- Onapsis blogpost:  
- CVE Mitre:  
- Vendor Patch:  
- Vendor FAQ:  
## About Onapsis Research Labs  
Onapsis Research Labs provides the industry analysis of key security  
issues that impact business-critical systems and applications.  
Delivering frequent and timely security and compliance advisories with  
associated risk levels, Onapsis Research Labs combine in-depth knowledge  
and experience to deliver technical and business-context with sound  
security judgment to the broader information security community.  
Find all reported vulnerabilities at  
## About Onapsis, Inc.  
Onapsis protects the mission-critical applications that run the global  
from the core to the cloud. The Onapsis Platform uniquely delivers  
insight, secure change, automated governance and continuous monitoring for  
systems—ERP, CRM, PLM, HCM, SCM and BI applications—from leading vendors  
such as SAP,  
Oracle, Salesforce and others, while keeping them protected and compliant.  
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