CVE-2026-28166 HIGH

CVE-2026-28166: WordPress Tourmaster plugin <= 5.4.9 - Cross Site Scripting (XSS) vulnerability

Vendor Goodlayers

Product Tourmaster

Weakness CWE-79 · XSS

Published August 24, 2026

Last update August 24, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Unauthenticated Cross Site Scripting (XSS) in Tourmaster <= 5.4.9 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Tourmaster versions up to 5.4.9 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect multiple users across the site. An attacker can steal session cookies, redirect users, or deface content.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers, stealing cookies or redirecting them to phishing sites.

Potential impact on your site

04Site Impact

Site visitors can be compromised; their sessions hijacked or credentials stolen. Reputation damage if users are redirected to malicious sites.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page that triggers the vulnerability.

Key dates

06Disclosure timeline

August 24, 2026 CVE published

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-28166 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities