Cross Site Scripting Vulnerability in Tourmaster Plugin by WordPress
CVE-2026-28166

7.1HIGH

Key Information:

Vendor

WordPress
Status
Tourmaster
Vendor
CVE Published:
24 August 2026

What is CVE-2026-28166?

An unauthenticated Cross Site Scripting (XSS) vulnerability has been identified in versions of the Tourmaster plugin up to 5.4.9. Attackers can exploit this weakness to inject malicious scripts, potentially leading to unauthorized data access or session hijacking. It is critical for site administrators using this plugin to implement updates and ensure their WordPress installations are secure against such exploits.

Affected Version(s)

Tourmaster <= 5.4.9

References

https://patchstack.com/database/wordpress/plugin/tourmast...
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
.