CVE-2026-39730: WordPress Wise Chat plugin <= 3.4.1 - Broken Access Control vulnerability

Q: What level of access does an attacker need?

The attack requires existing low-privileged access. The vulnerability information specifically identifies Subscriber-level access as relevant, and no user interaction is required.

Q: What is the expected security impact?

The supplied vector indicates no confidentiality impact, low integrity impact, and high availability impact. Exploitation is network-accessible and rated low complexity.

Q: Is version 3.4.2 affected?

The provided data is inconsistent: it identifies affected versions as Wise Chat 3.4.1 and earlier, but also states that the issue affects releases through 3.4.2. Confirm the status of 3.4.2 before treating it as remediated.

Published Oct 6, 2026

Updated

Missing Authorization vulnerability in Marcin Wise Chat wise-chat allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Wise Chat: from n/a through 3.4.2.

Other sources

Subscriber Broken Access Control in Wise Chat <= 3.4.1 versions.

— MITRE

Affected Software

1 affected component

Marcin Wise Chat<=3.4.2

Event History

Oct 6, 2026

CVE Published

via MITRE·08:34 AM

Data Sourced

via MITRE·08:34 AM

DescriptionSeverityWeakness

Data Sourced

via NVD·09:17 AM

DescriptionSeverityWeakness

Frequently Asked Questions

What level of access does an attacker need?

The attack requires existing low-privileged access. The vulnerability information specifically identifies Subscriber-level access as relevant, and no user interaction is required.

What is the expected security impact?

The supplied vector indicates no confidentiality impact, low integrity impact, and high availability impact. Exploitation is network-accessible and rated low complexity.

Is version 3.4.2 affected?

The provided data is inconsistent: it identifies affected versions as Wise Chat 3.4.1 and earlier, but also states that the issue affects releases through 3.4.2. Confirm the status of 3.4.2 before treating it as remediated.

CVE-2026-39730: WordPress Wise Chat plugin <= 3.4.1 - Broken Access Control vulnerability

Other sources

Affected Software

Event History

Frequently Asked Questions

What level of access does an attacker need?

What is the expected security impact?

Is version 3.4.2 affected?

Company

Resources

Contact

Frequently Asked Questions

What level of access does an attacker need?

What is the expected security impact?

Is version 3.4.2 affected?