CRITICALVulnerability

CVE-2026-73533

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.

Properties

severity
CRITICAL
score
9.8
cve_id
CVE-2026-73533
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
published_at
2026-08-13T16:19:05.620
last_modified
2026-08-17T15:16:57.857

Related Entities (2)

DESCRIBED_BY (1)

[Source]NVD

HAS_WEAKNESS (1)

[Weakness]Embedded Malicious Code

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CVE-2026-73533 — Ninja Signal Threat Intelligence | Ninja Signal