The CVE-2026-66659 blind SQL injection in this WordPress table management plugin reflects a well-established vulnerability class in the plugin ecosystem, not an isolated development failure. The pattern — unsanitized parameters in asynchronous data handlers (AJAX endpoints handling sorting, filtering, pagination, or inline editing) — has appeared repeatedly in WordPress plugins since 2018, and this instance is likely one of many that will follow the same trajectory.
The 9.3 CVSS score is technically accurate for data exfiltration potential, but it understates two critical dimensions. First, the spatial blast radius: because WordPress plugins operate without database-level privilege separation, any plugin with $wpdb access can reach every table in the installation — user credentials, posts, options, everything. A vulnerability in a sorting handler isn't scoped to table sorting; it's a wire into the entire database. Second, the temporal exposure window compounds after disclosure. WordPress installations aren't patched on schedule — they patch when something breaks, when a client insists, or when a scanner flags it. For a plugin potentially entering the abandonment spiral (version 1.2.9 appears to be the ceiling), the post-disclosure exposure window stretches months or years, and every unpatched installation adds systemic debt to the ecosystem.
The root cause isn't that this was "deprioritized" — the WordPress plugin ecosystem largely operates without any security review infrastructure. It's that the anti-pattern of "dynamic table queries without prepared statements because results aren't directly reflected" has become accepted convention through tutorial code, Stack Overflow answers, and plugin boilerplate. Each successful plugin that ships this way reinforces the belief that it's acceptable. The fix complexity tells you whether this was one unsanitized parameter (one $wpdb->prepare call) or evidence of architectural SQL patterns requiring refactoring — but either way, the underlying assumption was never challenged because the ecosystem keeps validating it.
For defenders: audit your WordPress installations for table management plugins, particularly those in the 1.0–1.2.9 version range or any that have stopped updating. Focus AJAX handlers and async endpoints that process ORDER BY, LIMIT, or filter parameters. Even after a patch releases, assume significant residual exposure in forks, clones, and derivative works that inherited the query layer without security awareness. The genealogical pattern shows this exact vulnerability class will reappear in new plugins — treat each CVE as a leading indicator, not a one-off event.