CVE-2025-31831 MEDIUM

CVE-2025-31831: WordPress AtomChat plugin <= 1.1.7 - Broken Access Control vulnerability

Vendor Team Atomchat
Product AtomChat
Weakness CWE-862 · Missing authorization
Published April 1, 2025
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Team AtomChat AtomChat atomchat allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects AtomChat: from n/a through <= 1.1.7.

Explanation of Vulnerability in Simple Terms

02Summary

AtomChat versions 1.1.7 and earlier contain an authorization bypass that allows authenticated users to modify data they should not have access to. The vulnerability requires a valid user account but no special privileges. An attacker with low-level access can alter information within the application, though the impact is limited to data integrity.

What an attacker can do

03Attacker Capabilities

Modify data or settings they should not have permission to change.

Potential impact on your site

04Site Impact

Unauthorized users can alter application data, potentially affecting site integrity or user experience.

Conditions required to exploit

05Prerequisites

Attacker must have a valid user account with low-level privileges.

Key dates

06Disclosure timeline

April 1, 2025 CVE published
April 28, 2026 Record updated