CVE-2021-24617 : Vulnerability Insights and Analysis

GamePress plugin version 1.1.0 and below for WordPress is vulnerable to Reflected Cross-Site Scripting. Malicious actors can exploit this issue to execute scripts in a victim's browser.

Understanding CVE-2021-24617

This CVE identifies a security flaw in the GamePress WordPress plugin version 1.1.0 and earlier, which can enable attackers to conduct Reflected Cross-Site Scripting attacks.

What is CVE-2021-24617?

The GamePress WordPress plugin version 1.1.0 and below fails to properly escape the op_edit POST parameter, leading to Reflected Cross-Site Scripting vulnerabilities. This can result in running malicious scripts in the context of an authenticated user.

The Impact of CVE-2021-24617

Exploitation of this vulnerability may allow remote attackers to perform Cross-Site Scripting attacks, potentially compromising user data, session tokens, or performing unauthorized actions on behalf of users.

Technical Details of CVE-2021-24617

The following technical details outline the specific aspects of this CVE.

Vulnerability Description

The vulnerability in the GamePress plugin arises from inadequate sanitization of the op_edit parameter, resulting in unescaped user input being reflected back to multiple Game Option pages, thereby facilitating XSS attacks.

Affected Systems and Versions

GamePress plugin versions equal to or below 1.1.0 for WordPress are impacted by this vulnerability, allowing threat actors to exploit the security loophole.

Exploitation Mechanism

By crafting a malicious link containing a manipulated op_edit parameter and enticing a user to click on it, attackers can execute arbitrary scripts in the context of the victim's session, potentially leading to unauthorized actions.

Mitigation and Prevention

Addressing CVE-2021-24617 requires immediate action to safeguard systems and users from potential exploitation.

Immediate Steps to Take

Website administrators should update the GamePress plugin to a secure version that includes a patch for the vulnerability. Additionally, users are advised to be cautious while interacting with external links to mitigate the risk of exploitation.

Long-Term Security Practices

Employing secure coding practices, regularly updating plugins, and conducting security audits can enhance the overall resilience of WordPress websites against XSS and other security threats.

Patching and Updates

Developers of the GamePress plugin have likely released a patch to address this vulnerability. It is crucial to apply this security update promptly to eliminate the risk of exploitation and secure affected WordPress installations.