---
title: "WP Ghost Security & Firewall - Stored XSS"
description: "WP Ghost (Hide My WP Ghost) Security & Firewall plugin for WordPress <= 7.0.12 contains a stored XSS caused by insufficient input sanitization and output escaping in replaceHeadersAndTags function, letting unauthenticated attackers execute arbitrary scripts when users click injected links."
url: https://panop.io/threat-heartbeat/CVE-2026-89051/
---

# CVE-2026-89051 WP Ghost Security & Firewall - Stored XSS

WP Ghost (Hide My WP Ghost) Security & Firewall plugin for WordPress <= 7.0.12 contains a stored XSS caused by insufficient input sanitization and output escaping in replaceHeadersAndTags function, letting unauthenticated attackers execute arbitrary scripts when users click injected links.

CVSS base score 7.2 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-89051)

## Details

Type

Stored Xss

Impact

Stored Xss

CVSS vector

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

Published

16 October 2026

Updated

16 October 2026

Weakness

[CWE-79](https://cwe.mitre.org/data/definitions/79.html)

## Vendor fix

Update to the latest version beyond 7.0.12.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-89051](https://nvd.nist.gov/vuln/detail/CVE-2026-89051)
- [https://plugins.trac.wordpress.org/changeset?reponame=&new=3745418%40hide-my-wp%2Ftags%2F7.0.13&old=3726247%40hide-my-wp%2Ftags%2F7.0.12](https://plugins.trac.wordpress.org/changeset?reponame=&new=3745418%40hide-my-wp%2Ftags%2F7.0.13&old=3726247%40hide-my-wp%2Ftags%2F7.0.12)
- [https://www.wordfence.com/threat-intel/vulnerabilities/id/94724ff1-d3a7-4d9d-9423-a0e795360c95?source=cve](https://www.wordfence.com/threat-intel/vulnerabilities/id/94724ff1-d3a7-4d9d-9423-a0e795360c95?source=cve)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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