CVE-2021-24235 : What You Need to Know

The Goto WordPress theme version before 2.0 is vulnerable to an unauthenticated reflected Cross-Site Scripting (XSS) issue due to unsanitized input. Find out more about the impact, technical details, and mitigation steps below.

Understanding CVE-2021-24235

This section delves into the details of the vulnerability affecting the Goto WordPress theme.

What is CVE-2021-24235?

The Goto WordPress theme before version 2.0 is susceptible to unauthenticated reflected Cross-Site Scripting (XSS) attacks. This occurs because the theme fails to properly sanitize the keywords and start_date GET parameters on its Tour List page.

The Impact of CVE-2021-24235

The vulnerability in Goto WordPress theme can be exploited by attackers to execute malicious scripts in the context of an unsuspecting user's browser. This could lead to various forms of attacks, including data theft, session hijacking, and unauthorized actions on behalf of the user.

Technical Details of CVE-2021-24235

Explore the specific technical aspects of the CVE-2021-24235 vulnerability below.

Vulnerability Description

The issue arises from the failure of the Goto WordPress theme to properly sanitize user-supplied input, allowing malicious scripts to be executed in the browser of other users.

Affected Systems and Versions

Goto WordPress theme versions prior to 2.0 are impacted by this vulnerability, making websites using these versions potentially at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious links or scripts containing the unsanitized parameters, which will be executed when accessed by users.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2021-24235 below.

Immediate Steps to Take

Website administrators are advised to update the Goto WordPress theme to version 2.0 or above to patch the vulnerability and prevent exploitation.

Long-Term Security Practices

Employing input validation and output encoding practices can help prevent XSS vulnerabilities in WordPress themes, ensuring a more secure web environment.

Patching and Updates

Regularly monitor for security updates and apply patches promptly to maintain the security of WordPress themes and prevent vulnerabilities like CVE-2021-24235 from being exploited.