Unauthenticated Cross Site Scripting in B2BKing Premium by B2BKing
CVE-2026-66598

7.1HIGH

Key Information:

Vendor

WordPress
Status
B2bking Premium
Vendor
CVE Published:
20 August 2026

What is CVE-2026-66598?

An unauthenticated Cross Site Scripting (XSS) vulnerability exists in B2BKing Premium versions 5.6.07 and earlier. This security flaw allows attackers to inject malicious scripts into web pages viewed by unsuspecting users, potentially leading to data theft, session hijacking, and other security breaches. It is crucial for users of affected versions to implement security measures, including updating to the latest version of the plugin to mitigate potential risks.

Affected Version(s)

B2BKing Premium <= 5.6.07

References

https://patchstack.com/database/wordpress/plugin/b2bking/...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

dutafi | Patchstack Bug Bounty Program
.