CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Called exploited 12 days before disclosure.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE published
- First KEV listing12d
- Last sighting13d
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federaldoes not list it
- EUVDENISA, European Uniondoes not list it
- VulnCheck KEVcommercial researchlisted Aug 1, 2026
- CIRCLaggregator, mirrors the abovelisted Aug 14, 2026, not counted
This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.
Public exploitation evidence
- reported exploitationprevidian.com/CVE-2026-73533
- reported exploitationwww.cve.org/CVERecord?id=CVE-2026-73533
- reported exploitationpatchstack.com/database/wordpress/plugin/ninja-tables-pro/vu
- reported exploitationwpmanageninja.com/security-incident-on-31-july-2026/
4 public reports collected from VulnCheck and CIRCL, first on Aug 1, 2026. Each links to its original source. We have not verified them.
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.