ApexAdvancedexperience-cloudguestapex
Design Apex for Experience Cloud guest and authenticated users
Real World Scenario
Guest users need product registration form but Apex controller exposes methods returning other customers data via IDOR.
Expected Answer
• Enforce record ownership and sharing in all guest-facing Apex
• Validate record Id parameters belong to current user context
• StripInaccessible on all query results
• Separate guest vs member controller classes
• Rate limit guest API via custom throttling
• Security review penetration test guest endpoints
• Avoid exposing sequential Id enumerable lists
Follow-Up Questions & Answers
Click to expand — each follow-up includes a direct, interview-ready answer
Direct answer: Enforce record ownership and sharing in all guest-facing Apex Also consider: Validate record Id parameters belong to current user context In practice: StripInaccessible on all query results Optimize for scale and operational observability.
Architect Perspective
Guest Apex is highest risk surface—assume attackers fuzz every parameter.