CVE-2026-89051
Received Received - Intake

Stored XSS in WP Ghost Hide My WP WordPress Plugin

Publication date: 2026-10-16

Last updated on: 2026-10-16

Assigner: Wordfence

Description
The WP Ghost (Hide My WP Ghost) – Security & Firewall plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'replaceHeadersAndTags' function in versions up to, and including, 7.0.12 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user clicks on the injected link.

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Meta Information

Published
2026-10-16
Last Modified
2026-10-16
Generated
2026-10-16
AI Q&A
2026-10-16
EPSS Evaluated
N/A
NVD
CVE-2026-89051
EUVD
EUVD-2026-102674

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
johndarrel Hide My WP Ghost – Security & Firewall 0

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 vulnerability is a Stored Cross-Site Scripting (XSS) flaw in the WP Ghost (Hide My WP Ghost) WordPress plugin. It exists due to insufficient input sanitization and output escaping in the 'replaceHeadersAndTags' function. Unauthenticated attackers can inject malicious scripts into pages, which execute when users interact with the affected links.

Detection Guidance

Check for the presence of the WP Ghost plugin versions up to and including 7.0.12. Inspect WordPress sites for unauthorized script injections in pages or links. Use security plugins to scan for stored XSS vulnerabilities.

Impact Analysis

An attacker could steal user sessions, redirect users to malicious sites, or perform actions on their behalf. Users visiting infected pages may have their data compromised or be exposed to further attacks. Website administrators risk reputational damage and potential loss of user trust.

Compliance Impact

This vulnerability could lead to unauthorized data access or disclosure, violating GDPR's data protection principles or HIPAA's security requirements. Organizations may face fines, legal penalties, or mandatory breach notifications if user data is compromised due to this flaw.

Mitigation Strategies

Update the WP Ghost plugin to the latest version beyond 7.0.12. Remove any unauthorized scripts or links from pages. Implement additional input sanitization and output escaping measures.

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