CVE-2022-4836 Explained : Impact and Mitigation

A Stored Cross-Site Scripting vulnerability in the Breadcrumb WordPress plugin prior to version 1.5.33 allows low-privileged users to conduct attacks against high privilege users.

Understanding CVE-2022-4836

This CVE involves a Contributor+ Stored XSS via Shortcode vulnerability in Breadcrumb plugin.

What is CVE-2022-4836?

The Breadcrumb WordPress plugin before version 1.5.33 fails to validate and escape certain shortcode attributes, enabling users with contributor roles to execute Stored Cross-Site Scripting attacks.

The Impact of CVE-2022-4836

This vulnerability can be exploited by low-privileged users to target high privilege users like admins, compromising the security and integrity of the WordPress site.

Technical Details of CVE-2022-4836

This section covers the specifics of the vulnerability.

Vulnerability Description

The issue arises from the plugin's failure to adequately validate and sanitize shortcode attributes, opening the door to Stored Cross-Site Scripting attacks.

Affected Systems and Versions

The vulnerability affects Breadcrumb plugin versions prior to 1.5.33, with versions below 1.5.33 being susceptible to exploitation.

Exploitation Mechanism

By leveraging this vulnerability, users with contributor privileges can embed malicious code via shortcodes, posing a threat to higher privileged users.

Mitigation and Prevention

Discover how to protect your WordPress site in light of CVE-2022-4836.

Immediate Steps to Take

Prompt actions are crucial to mitigate the risk posed by this vulnerability. Consider temporary workarounds and user access restrictions.

Long-Term Security Practices

Implement security best practices, such as regular security audits, user role management, and restricting shortcode usage to trusted sources.

Patching and Updates

Ensure the Breadcrumb plugin is updated to version 1.5.33 or above to eliminate the vulnerability and enhance the security of your WordPress installation.