XSS Vulnerability in WP Tab Widget Plugin by WordPress
CVE-2026-66646

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
WP Tab Widget
Vendor
CVE Published:
18 August 2026

What is CVE-2026-66646?

The WP Tab Widget plugin for WordPress versions up to 1.2.11 is susceptible to a Cross Site Scripting (XSS) vulnerability. This flaw allows attackers to inject malicious scripts into web pages viewed by users. If exploited, it could enable unauthorized actions or access sensitive data, compromising the security of affected sites. It is crucial for users running vulnerable versions to update promptly to mitigate potential risks.

Affected Version(s)

WP Tab Widget <= 1.2.11

References

https://patchstack.com/database/wordpress/plugin/wp-tab-w...
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
.