Cross Site Scripting Vulnerability in Wise Chat Plugin by Wise
CVE-2026-66636

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Wise Chat
Vendor
CVE Published:
18 August 2026

What is CVE-2026-66636?

A Cross Site Scripting (XSS) vulnerability has been identified in versions of the Wise Chat Plugin up to 3.4. This flaw allows attackers to inject malicious scripts into web pages viewed by users of the affected plugin. When users interact with the compromised element, the injected scripts can execute, potentially leading to data theft, session hijacking, or other malicious activities. It is essential for users of Wise Chat to update to the latest version to mitigate the risks associated with this vulnerability.

Affected Version(s)

Wise Chat <= 3.4

References

https://patchstack.com/database/wordpress/plugin/wise-cha...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.