CVE-2020-9390 : What You Need to Know

CVE-2020-9390 is a vulnerability that allowed Stored Cross-Site Scripting (XSS) in SquaredUp before version 4.6.0, enabling a user to execute malicious content through dashboards.

Understanding CVE-2020-9390

What is CVE-2020-9390?

CVE-2020-9390 is a security flaw in SquaredUp that permitted Stored XSS, allowing the execution of harmful scripts through dashboards.

The Impact of CVE-2020-9390

This vulnerability could be exploited by attackers to inject and execute malicious scripts, potentially leading to unauthorized access, data theft, or further compromise of the affected system.

Technical Details of CVE-2020-9390

Vulnerability Description

The vulnerability in SquaredUp allowed users to create dashboards that could run malicious content within iframes or by uploading SVG files containing scripts.

Affected Systems and Versions

Vendor: n/a
Product: n/a
Affected Versions: Versions before 4.6.0

Exploitation Mechanism

Attackers could exploit this vulnerability by crafting dashboards with embedded malicious scripts, which would execute when viewed by other users within the SquaredUp platform.

Mitigation and Prevention

Immediate Steps to Take

Upgrade SquaredUp to version 4.6.0 or newer to mitigate the vulnerability.
Avoid interacting with dashboards from untrusted sources.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement content security policies to prevent XSS attacks.

Patching and Updates

Apply security patches and updates provided by SquaredUp to address known vulnerabilities and enhance system security.