CVE-2026-89051
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductHide My WP Ghost – Security & Firewall
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| johndarrel Hide My WP Ghost – Security & Firewall | v ≤ 7.0.12 | — |
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