Hi.Events before 1.11.0 contains a missing server-side visibility enforcement vulnerability that allows unauthenticated attackers to purchase hidden tickets by referencing hidden product and price IDs in order creation r…
CVSS 4.0MEDIUM 6.9·Network·No auth·No interaction·EPSS 0.00298·Published 2026-07-14·Fixed in 1.11.0CWE-862
Hi.Events through 1.9.0 public check-in list endpoints use short_id as sole access control, allowing unauthenticated access to retrieve full attendee lists including emails and personal information.
Hi.Events before 1.11.0 contains a cross-site scripting vulnerability that allows authenticated attackers with event creation or edit permissions to inject arbitrary HTML and JavaScript by embedding a malicious event tit…
CVSS 4.0MEDIUM 5.1·Network·Low privileges·User interaction·EPSS 0.00298·Published 2026-07-14·Fixed in 1.11.0CWE-862