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CVE-2020-13429 : Exploit Details and Defense Strategies

Learn about CVE-2020-13429, a cross-site scripting (XSS) vulnerability in the Pie Chart Panel plugin for Grafana before 1.5.0. Find out how to mitigate the risk and protect your systems.

A vulnerability in the legend.ts file of the Pie Chart Panel plugin for Grafana before version 1.5.0 allows for XSS attacks via the Values Header option.

Understanding CVE-2020-13429

This CVE identifies a cross-site scripting (XSS) vulnerability in the Pie Chart Panel plugin for Grafana.

What is CVE-2020-13429?

The vulnerability in legend.ts of the Pie Chart Panel plugin allows malicious actors to execute XSS attacks through the Values Header option.

The Impact of CVE-2020-13429

The XSS vulnerability can be exploited by attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized access or data theft.

Technical Details of CVE-2020-13429

This section provides technical details about the vulnerability.

Vulnerability Description

The issue lies in legend.ts of the Pie Chart Panel plugin, enabling XSS attacks via the legend header option.

Affected Systems and Versions

        Product: Not applicable
        Vendor: Not applicable
        Versions affected: All versions before 1.5.0

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts through the Values Header (legend header) option in the Pie Chart Panel plugin.

Mitigation and Prevention

Protecting systems from CVE-2020-13429 requires immediate actions and long-term security measures.

Immediate Steps to Take

        Upgrade to Pie Chart Panel plugin version 1.5.0 or newer to mitigate the vulnerability.
        Monitor for any signs of unauthorized access or unusual activities on Grafana instances.

Long-Term Security Practices

        Regularly update plugins and software to patch known vulnerabilities.
        Educate users on safe browsing practices to prevent XSS attacks.

Patching and Updates

Ensure all software components, including plugins like Pie Chart Panel, are regularly updated to the latest secure versions.

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