The Simple Membership WordPress plugin before 4.7.5 does not verify the authenticity of Stripe webhook requests when no signing secret is configured, nor escape a value taken from them before outputting it in an administrator notice, allowing unauthenticated attackers to inject arbitrary web scripts that execute in the context of a logged-in administrator.
Get an AI-powered plain-language explanation of this vulnerability and remediation steps.
Login to generate AI explanation1 reference(s) from NVD