CVE-2022-4781 Explained : Impact and Mitigation

WordPress plugin Accordion Shortcodes <= 2.4.2 is vulnerable to Stored XSS via Shortcode. Learn about the impact, technical details, and mitigation steps.

Understanding CVE-2022-4781

This CVE refers to a Stored Cross-Site Scripting vulnerability in the Accordion Shortcodes WordPress plugin.

What is CVE-2022-4781?

The Accordion Shortcodes plugin, up to version 2.4.2, fails to validate and escape a specific shortcode attribute, allowing users with contributor role to execute a Stored XSS attack.

The Impact of CVE-2022-4781

This vulnerability could be exploited by malicious contributors to inject and execute arbitrary scripts, compromising the security and integrity of the WordPress site.

Technical Details of CVE-2022-4781

Let's delve into the technical aspects of this vulnerability.

Vulnerability Description

The issue arises from the plugin's failure to properly sanitize user input, enabling attackers to embed malicious scripts via a vulnerable shortcode attribute.

Affected Systems and Versions

The vulnerability affects Accordion Shortcodes plugin versions up to 2.4.2, with a specific focus on installations where contributors have access.

Exploitation Mechanism

Attackers can leverage the flaw by crafting a malicious shortcode and injecting it into a post, exploiting the vulnerability when viewed by users with contributor privileges.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2022-4781.

Immediate Steps to Take

Site administrators are advised to promptly update the Accordion Shortcodes plugin to the latest version to patch the vulnerability and prevent exploitation.

Long-Term Security Practices

Implement strict input validation and output encoding practices to sanitize user-generated content and prevent XSS vulnerabilities in WordPress plugins.

Patching and Updates

Regularly monitor for security updates and apply patches promptly to safeguard against known vulnerabilities.