The Wise Chat plugin for WordPress is vulnerable to Reverse Tabnabbing in versions up to, and including, 2.6.3. This is due to mishandling of external links due to omitting noopener and noreferrer. This makes it possible for a chat-using attacker to provide a link that opens a new tab while silently redirecting the original - this can be used to redirect them to a phishing site on the original tab.
CVE-2019-6780 is a medium severity with CVSS 6.1 Vulnerability issue affecting the Plugin Wise Chat. It affects Versions before 2.7 and is fixed in 2.7.
Use the related hub and response guides to connect this CVE-2019-6780 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2019-6780 is tracked for the Plugin Wise Chat as medium severity with CVSS 6.1. The affected range is Versions before 2.7. Update Wise Chat to 2.7 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions before 2.7.
Confirm Wise Chat is updated to 2.7 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
wise-chat
View on wordpress.org
|
| CVE | CVE-2019-6780 |
| Patched Versions |
2.7
|
| Affected Versions |
Versions before 2.7
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Wise Chat <= 3.3.3 - Unauthenticated Sensitive Information Exposure Through Unprotected Directory
Wise Chat <= 3.3.4 - Unauthenticated Stored Cross-Site Scripting via X-Forwarded-For Header
Wise Chat <= 3.1.3 - Cross-Site Request Forgery
Wise Chat <= 2.8.3 - CSV Injection
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