CVE-2021-26698 : Security Advisory and Response

This article provides detailed information about CVE-2021-26698, a security vulnerability in OX App Suite before versions 7.10.3-rev32 and 7.10.4-rev18 that allows XSS via a code snippet.

Understanding CVE-2021-26698

This section explains the nature of the CVE-2021-26698 vulnerability and its potential impact on affected systems.

What is CVE-2021-26698?

CVE-2021-26698 is a Cross-Site Scripting (XSS) vulnerability that exists in OX App Suite versions prior to 7.10.3-rev32 and 7.10.4-rev18. It allows malicious actors to execute scripts in the context of a user's session by utilizing a code snippet when creating a sharing link with the 'dl' parameter.

The Impact of CVE-2021-26698

If successfully exploited, this vulnerability could enable attackers to inject and execute arbitrary script code within the security context of the affected application. This can result in unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2021-26698

In this section, we delve into the specifics of the CVE-2021-26698 vulnerability, including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in OX App Suite allows for XSS attacks through user-generated content, particularly when creating sharing links with the 'dl' parameter.

Affected Systems and Versions

OX App Suite versions before 7.10.3-rev32 and 7.10.4-rev18 are affected by this vulnerability. Users of these versions are at risk of XSS attacks using malicious code snippets.

Exploitation Mechanism

Attackers can exploit CVE-2021-26698 by crafting a sharing link with a specially-crafted code snippet that, when executed, can perform unauthorized actions within the application.

Mitigation and Prevention

This section outlines the steps to mitigate the risks associated with CVE-2021-26698 and prevent potential exploitation.

Immediate Steps to Take

Users and administrators should update OX App Suite to versions 7.10.3-rev32 or 7.10.4-rev18 to patch the vulnerability and prevent XSS attacks. Additionally, exercise caution when interacting with sharing links containing the 'dl' parameter.

Long-Term Security Practices

Implement secure coding practices, regularly update software components, and conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories from OX App Suite and apply patches promptly to stay protected against known vulnerabilities.