Ninja Tables Pro 5.2.11 — CVE-2026-73533 (Critical)

Date Aug 13, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Ninja · Tables Pro 5.2.11

CVE CVE-2026-73533

Critical vendor advisory CVE-2026-73533

Summary

Ninja Tables Pro 5.2.11 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file (app/Library/updater/NinjaTableDataSync.php) that established a backdoor REST API endpoint, dropped persistent PHP files in mu-plugins and uploads directories, installed a passwordless administrator account, and registered scheduled tasks that survived plugin removal.

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 9.8) in Ninja Tables Pro 5.2.11. Patch or mitigate promptly.

Operator check

Review CVE-2026-73533 in your asset inventory. Apply patches per vendor guidance and verify Tables Pro 5.2.11 is not exposed. CVSS score: 9.8.

Sources

NVD — CVE-2026-73533 Source reference Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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