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CVE-2026-89051— Hide My WP Ghost <= 7.0.12 - Unauthenticated Stored Cross-Site Scripting via Comment Content

Quick assessment

Affected
johndarrel Hide My WP Ghost – Security & Firewall
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 WP Ghost（Hide My WP Ghost）安全与防火墙插件在 7.0.12 及更早版本中存在存储型跨站脚本（Stored XSS）漏洞。该漏洞源于 函数对输入数据缺乏充分的清理（sanitization）以及对输出数据未进行正确的转义（escaping）。这使得未认证的攻击者能够在页面中注入任意 Web 脚本，一旦用户点击被注入的链接，这些脚本便会执行。

CVSS 7.2 · High EPSS 0.19% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
johndarrel Hide My WP Ghost – Security & Firewall ≤ 7.0.12 affected
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I. Basic Information for CVE-2026-89051

Vulnerability Information
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Vulnerability Title
Hide My WP Ghost <= 7.0.12 - Unauthenticated Stored Cross-Site Scripting via Comment Content
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
johndarrel Hide My WP Ghost – Security & Firewall 0 ~ 7.0.12 -

II. Public POCs for CVE-2026-89051

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III. Intelligence Information for CVE-2026-89051

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Vendor Advisories for CVE-2026-89051 (1)

IV. Related Vulnerabilities

Same product: Hide My WP Ghost – Security & Firewall
Same vendor: johndarrel
Same weakness: CWE-79

V. Comments for CVE-2026-89051

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