Vulnerability in WP Ghost (Hide My WP Ghost) – Security & Firewall — CVE-2026-89051
HighSeverity
0.2%Estimated exploit probability
100,000+ sitesInstalls
7.0.13Fixed in
What to do now
Update WP Ghost (Hide My WP Ghost) – Security & Firewall to 7.0.13 or later.
Affected versions
- Everything up to and including 7.0.12
Affected: WP Ghost (Hide My WP Ghost) – Security & Firewall (plugin, hide-my-wp)
What the vulnerability is
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.