Stored XSS in SolarWinds Observability Self-Hosted

Executive Summary

This is a stored Cross-Site Scripting (XSS) vulnerability in SolarWinds Observability Self-Hosted. It allows authenticated attackers to inject malicious scripts or content into the application. When other authenticated users access the affected pages, the injected content is displayed or executed in their browsers.

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Detection Guidance

This vulnerability is a stored XSS issue in SolarWinds Observability Self-Hosted. Detection involves reviewing web application logs for suspicious input patterns, monitoring for unauthorized script execution in user sessions, and inspecting user-generated content stored in the application. Check for unexpected JavaScript or HTML tags in stored data fields like comments, messages, or configuration fields.

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Impact Analysis

An attacker could steal session cookies, perform actions on behalf of users, or redirect users to malicious sites. This could lead to unauthorized access to sensitive data or account compromise for users with access to the SolarWinds Observability platform.

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Compliance Impact

This vulnerability could lead to unauthorized data access or disclosure, violating GDPR's data protection principles or HIPAA's security requirements. Organizations may face compliance violations, fines, or reputational damage if user data is compromised through this XSS flaw.

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Mitigation Strategies

Apply the latest security patches or updates provided by SolarWinds for Observability Self-Hosted. Ensure all authenticated users follow safe browsing practices and avoid clicking on suspicious links or executing untrusted scripts.

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