CVE-2021-23648 : Security Advisory and Response
Stay informed about CVE-2021-23648, a Cross-site Scripting (XSS) vulnerability in @braintree/sanitize-url before version 6.0.0. Learn about the impact, exploitation, and mitigation steps.
A detailed overview of CVE-2021-23648, a Cross-site Scripting (XSS) vulnerability in the package @braintree/sanitize-url before version 6.0.0 due to improper sanitization in the sanitizeUrl function.
Understanding CVE-2021-23648
This section provides insights into the nature and impact of the Cross-site Scripting (XSS) vulnerability identified as CVE-2021-23648.
What is CVE-2021-23648?
The package @braintree/sanitize-url before version 6.0.0 is susceptible to Cross-site Scripting (XSS) attacks due to inadequate sanitization in the sanitizeUrl function.
The Impact of CVE-2021-23648
The vulnerability allows threat actors to execute malicious scripts in the context of an unsuspecting user's browser, potentially leading to various attacks such as data theft, account hijacking, and malware delivery.
Technical Details of CVE-2021-23648
Explore the technical aspects of the CVE-2021-23648 vulnerability to gain a deeper understanding of its implications.
Vulnerability Description
The Cross-site Scripting (XSS) flaw arises from the lack of proper input sanitization in the sanitizeUrl function of @braintree/sanitize-url before version 6.0.0, enabling attackers to inject and execute malicious scripts on the affected web application.
Affected Systems and Versions
The vulnerability impacts all systems and applications that utilize the @braintree/sanitize-url package with versions earlier than 6.0.0.
Exploitation Mechanism
Malicious actors can exploit this vulnerability by crafting specially designed URLs containing malicious scripts, which, when processed by the vulnerable sanitizeUrl function, get executed within a user's browser.
Mitigation and Prevention
Learn about the steps to mitigate the risks posed by CVE-2021-23648 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update the @braintree/sanitize-url package to version 6.0.0 or newer to remediate the XSS vulnerability and enhance the security of their applications.
Long-Term Security Practices
Implement secure coding practices, input validation mechanisms, and security controls to prevent Cross-site Scripting (XSS) vulnerabilities in your applications.
Patching and Updates
Stay informed about security patches and updates released by the package maintainers to address identified vulnerabilities promptly.