CVE-2021-32859 : Exploit Details and Defense Strategies

A Cross-site Scripting (XSS) vulnerability has been identified in the Baremetrics date range picker, specifically affecting versions 1.0.14 and prior. This CVE allows an attacker to execute arbitrary HTML or JavaScript code within the context of a user, potentially leading to XSS attacks.

Understanding CVE-2021-32859

This section delves into the details and impacts of the CVE-2021-32859 vulnerability.

What is CVE-2021-32859?

The Baremetrics date range picker, used for selecting date ranges and single dates, is vulnerable to Cross-site Scripting (XSS) due to improper handling of

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entries. This allows an attacker to insert malicious HTML or JavaScript code that gets executed in a user's context.

The Impact of CVE-2021-32859

The impact of this vulnerability is classified as MEDIUM severity according to the CVSS v3.1 base score of 6.1. Successful exploitation could result in the execution of arbitrary code within the user's browser.

Technical Details of CVE-2021-32859

This section covers the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The XSS vulnerability in Baremetrics date range picker arises from insufficient input validation of the

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parameter, allowing attackers to inject malicious code.

Affected Systems and Versions

The vulnerability affects versions of the Baremetrics date range picker up to and including version 1.0.14.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by manipulating the

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field to execute arbitrary HTML or JavaScript code in the user's browser.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-32859 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Users are advised to avoid interacting with potentially malicious dates or date ranges until a patch is available.

Long-Term Security Practices

Developers should implement proper input validation and output encoding to prevent XSS vulnerabilities in web applications.

Patching and Updates

Stay informed about patches or updates released by Baremetrics to address the XSS vulnerability and apply them promptly to secure your systems.