CVE-2024-3730: Simple Membership <= 4.4.3 - Authenticated(Contributor+) Stored Cross-Site Scripting via Shortcode
The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpmpaypalsubscriptioncancellink' shortcode in all versions up to, and including, 4.4.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-3730?
CVE-2024-3730 is classified as a high severity vulnerability due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2024-3730?
To fix CVE-2024-3730, update the Simple Membership plugin to version 4.4.4 or later to ensure proper input sanitization and output escaping.
What specific versions of the Simple Membership plugin are affected by CVE-2024-3730?
CVE-2024-3730 affects all versions of the Simple Membership plugin up to and including version 4.4.3.
What is the main issue with CVE-2024-3730?
The main issue with CVE-2024-3730 is insufficient input sanitization and output escaping in the swpm_paypal_subscription_cancel_link shortcode.
Is there a workaround for CVE-2024-3730 if I cannot update immediately?
A temporary workaround for CVE-2024-3730 could involve disabling the swpm_paypal_subscription_cancel_link shortcode until the plugin is updated.