CVE-2025-31909 HIGH

CVE-2025-31909: WordPress Apptivo Business Site CRM plugin <= 5.3 - Arbitrary Content Deletion vulnerability

Vendor Apptivo
Product Apptivo Business Site CRM
Weakness CWE-862 · Missing authorization
Published April 3, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Missing Authorization vulnerability in Apptivo Apptivo Business Site CRM apptivo-business-site allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Apptivo Business Site CRM: from n/a through <= 5.3.

Explanation of Vulnerability in Simple Terms

02Summary

Apptivo Business Site CRM versions 5.3 and earlier lack proper authorization checks, allowing unauthenticated attackers to disrupt service availability. An attacker can send network requests without credentials to trigger a denial-of-service condition. No user interaction is required. Site administrators should update to a version newer than 5.3 as soon as possible.

What an attacker can do

03Attacker Capabilities

Make the site unavailable or unresponsive without needing to log in.

Potential impact on your site

04Site Impact

Your CRM may become unavailable to legitimate users due to denial-of-service attacks.

Conditions required to exploit

05Prerequisites

Network access to the CRM; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 3, 2025 CVE published
April 28, 2026 Record updated