## https://sploitus.com/exploit?id=WPEX-ID:4C537264-0C23-428E-9A11-7A9E74FB6B69
As a contributor,
- Add shortcode to any post and specify/guess any user ID and meta key and save
- Preview the post and see custom field value outputs from any user
Example shortcode: `[pmpro_member user_id="ANY_USER_ID" field="ANY_META_KEY"]`