CVE-2021-44209 : Exploit Details and Defense Strategies

OX App Suite through 7.10.5 allows XSS via an HTML 5 element such as AUDIO.

Understanding CVE-2021-44209

What is CVE-2021-44209?

OX App Suite through version 7.10.5 is vulnerable to cross-site scripting (XSS) attacks when utilizing HTML5 elements like AUDIO.

The Impact of CVE-2021-44209

This vulnerability could allow attackers to execute malicious scripts in the context of a user's session, potentially leading to theft of sensitive information, account takeover, and other security breaches.

Technical Details of CVE-2021-44209

Vulnerability Description

The issue arises from inadequate input validation of HTML 5 elements, enabling malicious actors to inject and execute scripts within the application.

Affected Systems and Versions

Product: OX App Suite
Versions: up to 7.10.5

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting malicious payloads within an HTML AUDIO element, leading to script execution in the victim's browser.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation mechanisms to sanitize user-supplied data and prevent XSS attacks.
Regularly update OX App Suite to the latest patched versions to address known security vulnerabilities.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and remediate security flaws.
Educate developers on secure coding practices and the importance of input validation to prevent XSS vulnerabilities.

Patching and Updates

Apply security patches released by the vendor promptly to mitigate the risk of exploitation.