CVE-2026-39730

HIGH 7.1

WordPress Wise Chat plugin <= 3.4.2 - Broken Access Control vulnerability

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-862
Vendor	marcin
Product	wise chat
Published	Oct 6, 2026
Last Updated	Oct 6, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

High

Affected Versions

Marcin / Wise Chat

0 ≤ 3.4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/wise-chat/vulnerability/wordpress-wise-chat-plugin-3-4-1-broken-access-control-vulnerability?_s_id=cve

Credits

takito | Patchstack Bug Bounty Program