The nonce verification in this vulnerability occurs AFTER the SQL query executes. That is the critical detail that makes this different from the typical 'missing nonce check' vulnerability. Here, the security code exists—a developer added wp_verify_nonce()—but it provides zero protection because the protected operation has already completed by the time the check runs.
This is architecturally worse than a missing nonce. A code reviewer seeing nonce verification logic will reasonably conclude the function is protected. The attacker's window closes before the security check even begins. This creates a dangerous false confidence that spreads laterally: anyone auditing, maintaining, or pattern-matching from this code will inherit the assumption that 'nonce present equals protected.'
Two scenarios likely explain this. Either the nonce was added reactively to pass a security scan without understanding that placement matters as much as presence—a copy-paste security theater response. Or the developer understood the execution flow and still placed the check incorrectly, which raises uncomfortable questions about intent.
The subscriber-level access requirement compounds the risk significantly. WordPress sites running plugins like this often have open registration for customer support, e-commerce, or lead capture. The authenticated user pool isn't curated administrators—it's any customer with an account. That makes this one of the highest-exposure authenticated injection surfaces in the plugin ecosystem.
The CVE mentions the value is used in a numeric context, which should not inspire confidence. Time-based blind injection using SLEEP() or BENCHMARK() operates on execution timing, not string parsing. Numeric casting does not block this attack vector—conditional delays work regardless of whether the injection point expects a number.
Check your WordPress plugins for nonce verification placement specifically. The check must occur before database operations, not before the function returns. If you find nonce logic, trace backward to confirm it executes before the protected operation, not after. Also audit subscriber-level access points in your plugins—this access level is increasingly used for features that historically required admin privileges, creating injection surfaces in low-privilege contexts that were never audited for the new threat model.