CVE-2021-23472 : Vulnerability Insights and Analysis

This article provides an overview of CVE-2021-23472, a Cross-site Scripting (XSS) vulnerability in Bootstrap Table before version 1.19.1, impacting input sanitization.

Understanding CVE-2021-23472

In this section, we will discuss what CVE-2021-23472 is and its implications.

What is CVE-2021-23472?

CVE-2021-23472 is a type confusion vulnerability in the Bootstrap Table package before version 1.19.1, allowing bypass of input sanitization when an array is provided to the escapeHTML function.

The Impact of CVE-2021-23472

The vulnerability could potentially lead to Cross-site Scripting (XSS) attacks and enable threat actors to execute malicious scripts on the client-side.

Technical Details of CVE-2021-23472

Let's delve into the specific technical aspects of CVE-2021-23472.

Vulnerability Description

The vulnerability arises from a type confusion issue in Bootstrap Table that allows attackers to evade input sanitization by passing an array to the escapeHTML function.

Affected Systems and Versions

Bootstrap Table versions prior to 1.19.1 are affected by this vulnerability, exposing systems to potential XSS attacks.

Exploitation Mechanism

Attackers can exploit this vulnerability by providing an array instead of a string to the escapeHTML function, even when the escape attribute is set.

Mitigation and Prevention

Here we discuss the steps to mitigate the risks posed by CVE-2021-23472 and prevent exploitation.

Immediate Steps to Take

It is recommended to update Bootstrap Table to version 1.19.1 or newer to address this vulnerability and enhance security.

Long-Term Security Practices

Regularly monitor for security updates and patches related to Bootstrap Table to stay protected against emerging threats.

Patching and Updates

Stay informed about security advisories from Bootstrap Table and promptly apply patches to safeguard systems from XSS vulnerabilities.