CVE-2026-9709 Themeco Cornerstone < 7.8.9 (Premium, bundled with X Theme) - Subscriber+ Arbitrary User Meta Disclosure

The Cornerstone WordPress plugin before 7.8.9 does not enforce capability checks on one of its REST API routes, allowing any authenticated user to disclose the metadata of any other user, including roles, session token previews and stored billing/shipping fields. This affects the premium co...