CVE-2026-73533CWE-506

CVE-2026-73533

Critical · published August 13, 2026

CVSS v3.1
9.8
EPSS
1%
Percentile
50.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00649 · 50.5th percentile
Weakness
CWE-506 · Embedded Malicious Code
Published
2026-08-13T20:19Z
References (3)
https://wordpress.org/plugins/ninja-tables/ · [email protected]https://wpmanageninja.com/security-incident-on-31-july-2026/ · [email protected]https://www.vulncheck.com/advisories/ninja-tables-pro-embedded-malicious-code-via-tampered-plugin-build · [email protected]
EPSS history
Timeline
  • 13 AUG 16:00Z
    Ninja Tables Pro 5.2.11 Embedded Malicious Code via Tampered Plugin Build
    cvelistv5