CVE-2020-12245 : What You Need to Know

Grafana before 6.7.3 allows table-panel XSS via column.title or cellLinkTooltip.

Understanding CVE-2020-12245

Grafana before version 6.7.3 is vulnerable to a cross-site scripting (XSS) attack through specific parameters.

What is CVE-2020-12245?

This CVE refers to a security vulnerability in Grafana versions prior to 6.7.3 that enables an attacker to execute malicious scripts through the table-panel feature using column titles or cell link tooltips.

The Impact of CVE-2020-12245

The vulnerability allows an attacker to inject and execute arbitrary code within the context of the user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-12245

Grafana before version 6.7.3 is susceptible to XSS attacks through specific components.

Vulnerability Description

The issue arises from insufficient input sanitization in the column title and cell link tooltip parameters, enabling attackers to embed malicious scripts.

Affected Systems and Versions

Product: Grafana
Vendor: Grafana
Versions affected: All versions before 6.7.3

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious column titles or cell link tooltips containing JavaScript code, which gets executed when a user interacts with the affected components.

Mitigation and Prevention

To address CVE-2020-12245, immediate actions and long-term security practices are recommended.

Immediate Steps to Take

Upgrade Grafana to version 6.7.3 or later to mitigate the vulnerability.
Avoid interacting with untrusted Grafana instances or panels.

Long-Term Security Practices

Regularly update Grafana to the latest version to patch security vulnerabilities.
Implement content security policies (CSP) to restrict the execution of scripts from unauthorized sources.

Patching and Updates

Ensure timely installation of security patches and updates provided by Grafana to address known vulnerabilities.