CVE-2026-103266 Ghost 5.2.0 before 6.62.0 Unauthenticated Stripe Checkout Account Modification

Ghost versions 5.2.0 through versions prior to 6.62.0 allow a remote attacker, without authentication, to abuse the Stripe Checkout flow to attach a paid subscription to an existing member, modify that member's name, and inject content into newsletters sent to the member. Depending on the...