CVE-2026-78391

8.8

cryptocurrency · ransomlook

RansomLook contains a stored cross-site scripting (XSS) vulnerability in the cryptocurrency wallet detail view, allowing execution of arbitrary scripts in the context of a user session.

Executive summary

A stored cross-site scripting vulnerability in the RansomLook wallet detail view allows attackers to execute malicious scripts against users.

Vulnerability

This is a stored XSS vulnerability triggered via the cryptocurrency wallet detail view. The application fails to properly neutralize input before rendering it in the web interface, allowing an attacker to inject malicious scripts that persist in the database.

Business impact

A successful exploit could allow an attacker to hijack user sessions, steal sensitive information, or perform unauthorized actions on behalf of the victim. Although the CVSS score is 8.8, the impact is primarily focused on client side execution, which could lead to significant reputational damage and financial loss for users of the platform.

Remediation

Immediate Action: Update to the latest version of RansomLook where input sanitization has been implemented.

Proactive Monitoring: Monitor for anomalous script injection patterns in web logs or unusual activity originating from the wallet detail view.

Compensating Controls: Deploy a Content Security Policy (CSP) to restrict the sources from which scripts can be executed, effectively mitigating the impact of XSS.

Exploitation status

Public Exploit Available: Unknown.

Analyst recommendation

Users of the RansomLook platform should update their software immediately to prevent potential session hijacking. Implementing a robust Content Security Policy is a recommended defense-in-depth measure to protect users from similar web-based vulnerabilities in the future.