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CVE-2026-73533 is a vulnerability classified as Embedded Malicious Code, affecting Ninja Tables Pro (affected versions: 5.2.11). This vulnerability is rated Critical, with a CVSS score of 9.3. Current sources do not report this vulnerability as exploited.
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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.
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