CVE-2026-73533
Critical
Description
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.
SeverityCritical
CVSS9.8
Exploit probability51. percentile0.6%
ProductNinja Tables Pro
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-506CWE-506
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WPManageNinja Ninja Tables Pro | 5.2.11 | — |
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