CVE-2025-43006 Overview
CVE-2025-43006 is a reflected Cross-Site Scripting (XSS) vulnerability in the SAP Supplier Relationship Management (SRM) Master Data Management Catalogue component. An unauthenticated attacker can craft a malicious link that, when opened by a victim, executes attacker-controlled scripts in the context of the application. The flaw is categorized under [CWE-79] Improper Neutralization of Input During Web Page Generation.
The vulnerability affects the confidentiality and integrity of user session data but does not impact application availability. Exploitation requires user interaction, and successful attacks cross a trust boundary, changing the scope of the affected component.
Critical Impact
Unauthenticated attackers can execute arbitrary JavaScript in a victim's browser session, potentially stealing session tokens or manipulating displayed catalogue content in the SAP SRM MDM Catalogue interface.
Affected Products
- SAP Supplier Relationship Management (Master Data Management Catalogue)
Discovery Timeline
- 2025-05-13 - CVE-2025-43006 published to NVD
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2025-43006
Vulnerability Analysis
The SAP SRM Master Data Management (MDM) Catalogue fails to properly sanitize user-supplied input before rendering it in HTTP responses. This allows an unauthenticated attacker to inject JavaScript payloads that execute in a victim's browser session when the crafted URL or content is accessed. Because the attack traverses a scope boundary, the injected script may access resources beyond the initially vulnerable component.
The attack requires the victim to interact with a malicious link or content, typically delivered through phishing or malicious referring sites. Once triggered, the payload runs with the privileges of the authenticated SAP SRM user viewing the catalogue.
Root Cause
The root cause is improper neutralization of input during web page generation [CWE-79]. Input received by the MDM Catalogue web interface is reflected back into HTML responses without adequate encoding or context-aware sanitization, permitting HTML and JavaScript to be interpreted by the browser.
Attack Vector
The attack vector is network-based and requires no authentication. An attacker constructs a URL or catalogue entry containing a JavaScript payload and lures an authenticated SAP SRM user to interact with it. When the browser renders the response, the injected script executes and can read session data, perform actions in the user's session context, or modify the page's DOM to mislead the victim.
No verified public proof-of-concept code is available. Refer to the SAP Security Note #3588455 for technical remediation details.
Detection Methods for CVE-2025-43006
Indicators of Compromise
- HTTP requests to SAP SRM MDM Catalogue endpoints containing script tags, javascript: URIs, or common XSS payload patterns such as onerror=, onload=, or encoded <script> sequences.
- Web server or reverse proxy logs showing unusually long query strings or referrer headers with HTML-encoded characters targeting catalogue URLs.
- Browser console errors or client-side security policy violations reported by users interacting with the catalogue.
Detection Strategies
- Inspect web application firewall (WAF) logs for reflected XSS signatures targeting SAP SRM MDM Catalogue URL paths and parameters.
- Correlate outbound browser traffic from SAP SRM users with unexpected destinations that may indicate script-based data exfiltration.
- Review SAP application logs and HTTP access logs for anomalous parameter values containing HTML metacharacters.
Monitoring Recommendations
- Enable Content Security Policy (CSP) reporting endpoints to capture script execution violations originating from SAP SRM pages.
- Monitor authentication events for session anomalies such as concurrent logins from different geographies following user interaction with external links.
- Alert on repeated 4xx or 5xx responses from catalogue endpoints that may indicate payload probing.
How to Mitigate CVE-2025-43006
Immediate Actions Required
- Apply the fix described in SAP Security Note #3588455 to affected SAP SRM MDM Catalogue installations.
- Review the SAP Security Patch Day Update for additional patches released alongside this advisory.
- Restrict network exposure of the SAP SRM MDM Catalogue interface to trusted internal networks and VPN users where feasible.
Patch Information
SAP has published a security note addressing this vulnerability. Customers should authenticate to the SAP Support Portal and apply the patch referenced in SAP Security Note #3588455. The note is part of the SAP Security Patch Day release cycle documented at the SAP Security Patch Day Update portal.
Workarounds
- Deploy a web application firewall rule that blocks common XSS payload patterns targeting the MDM Catalogue URL paths until patching is completed.
- Enforce a strict Content Security Policy on the SAP SRM front-end to prevent inline script execution from reflected input.
- Educate SAP SRM users to avoid clicking untrusted links referencing internal catalogue URLs and to report suspicious redirects.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
