CVE-2022-4752 : Vulnerability Insights and Analysis

A Stored Cross-Site Scripting (XSS) vulnerability has been identified in the Opening Hours WordPress plugin version 2.3.0 and below. This flaw could be exploited by users with the contributor role and above to execute malicious scripts on affected pages/posts.

Understanding CVE-2022-4752

This section delves into the details of the CVE-2022-4752 vulnerability in the Opening Hours plugin.

What is CVE-2022-4752?

The CVE-2022-4752 refers to a Stored Cross-Site Scripting vulnerability present in versions 2.3.0 and earlier of the Opening Hours WordPress plugin. Attackers with the contributor role or higher could leverage this flaw to inject and execute malicious scripts.

The Impact of CVE-2022-4752

The impact of CVE-2022-4752 is significant as it allows threat actors to perform Stored XSS attacks, potentially compromising the security and integrity of affected WordPress sites.

Technical Details of CVE-2022-4752

This section focuses on the technical aspects of the CVE-2022-4752 vulnerability.

Vulnerability Description

The vulnerability arises from the Opening Hours plugin failing to properly validate and escape certain shortcode attributes before rendering them on a page or post, enabling contributors and higher roles to launch XSS attacks.

Affected Systems and Versions

The affected product is 'Opening Hours' WordPress plugin, with versions up to and including 2.3.0. Users utilizing these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by inputting malicious code within specific shortcode attributes, subsequently leading to the execution of arbitrary scripts when the affected page/post is accessed.

Mitigation and Prevention

To safeguard systems from CVE-2022-4752, immediate actions should be taken to address the vulnerability and enhance overall security postures.

Immediate Steps to Take

Site administrators are advised to update the Opening Hours plugin to a patched version that addresses the XSS vulnerability. Additionally, restricting access to users with higher roles can limit the attack surface.

Long-Term Security Practices

Implementing secure coding practices, including input validation and output sanitization, can help prevent similar XSS vulnerabilities in the future. Regular security audits and threat assessments are also recommended.

Patching and Updates

Regularly monitoring for plugin updates and promptly applying patches from trusted sources is crucial in mitigating known vulnerabilities like CVE-2022-4752.