CVE-2026-105061
Received Received - Intake

Unauthenticated XSS in WP Mailster

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in WP Mailster <= 1.9.0.0 versions.

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-105061
EUVD
EUVD-2026-93086

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Bởi brandtoss WP Mailster n/a

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is an Unauthenticated Cross Site Scripting (XSS) vulnerability affecting WP Mailster plugin versions 1.9.0.0 and below. It allows attackers to inject malicious scripts into web pages viewed by users without requiring authentication.

Detection Guidance

To detect this vulnerability, check if you are running WP Mailster versions <= 1.9.0.0. Inspect web application logs for unusual input patterns or script tags in user inputs. Manually review forms or fields handled by the plugin for potential XSS vectors.

Impact Analysis

An attacker could steal user sessions, redirect users to malicious sites, or deface web pages. Users with admin access could be targeted to escalate privileges or install malware.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face fines or legal consequences.

Mitigation Strategies

Immediately update WP Mailster to the latest version beyond 1.9.0.0. If an update is unavailable, disable or remove the plugin. Implement input validation and output encoding in web applications. Monitor for suspicious activity or unauthorized access.

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