CVE-2022-4830 : What You Need to Know
Discover the impact of CVE-2022-4830 affecting Paid Memberships Pro plugin < 2.9.9. Learn about the stored XSS vulnerability, affected versions, and mitigation steps.
Paid Memberships Pro < 2.9.9 - Contributor+ Stored XSS via Shortcode vulnerability allows contributors to perform Stored Cross-Site Scripting attacks on WordPress sites.
Understanding CVE-2022-4830
This vulnerability in the Paid Memberships Pro WordPress plugin exposes high privilege users to XSS attacks through shortcode attributes.
What is CVE-2022-4830?
The Paid Memberships Pro plugin before 2.9.9 fails to properly validate and escape certain shortcode attributes. This oversight enables contributors to execute XSS attacks against privileged users like admins.
The Impact of CVE-2022-4830
Exploiting this vulnerability could lead to unauthorized actions by contributors, compromising the security and integrity of the WordPress site. Attackers could potentially gain control of admin accounts and manipulate site content.
Technical Details of CVE-2022-4830
This section will delve into the specifics of the vulnerability.
Vulnerability Description
The flaw allows attackers with contributor roles to inject malicious scripts into the site through shortcode attributes, posing a risk to admin users.
Affected Systems and Versions
- Vendor: Unknown
- Product: Paid Memberships Pro
- Versions Affected: < 2.9.9 (custom version type)
Exploitation Mechanism
Attackers leverage the lack of input validation on shortcode attributes to insert harmful scripts, which get executed when viewed by privileged users.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-4830, immediate action and long-term security practices are crucial.
Immediate Steps to Take
- Update Paid Memberships Pro to version 2.9.9 or newer to patch the vulnerability.
- Restrict user roles to limit the impact of potential XSS attacks.
Long-Term Security Practices
- Regularly monitor and audit plugins and extensions for security vulnerabilities.
- Educate users on safe practices to prevent XSS attacks.
Patching and Updates
Stay informed about security patches released by Paid Memberships Pro and promptly apply them to enhance the protection of your WordPress site.