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CVE-2026-15463

SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' and 'host' Parameters

The SSL Zen — SSL Certificate Installer & HTTPS Redirects plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'host' parameter in all versions up to, and including, 4.7.42 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The vulnerability is only exploitable when in the system_requirements stage.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Sslzen Wordpress-extensions
Products
Ssl Zen Ssl Zen
CVE-2026-17602

SSL Zen <= 4.7.42 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'file_name' Parameter

The SSL Zen — SSL Certificate Installer & HTTPS Redirects plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 4.7.42 via the 'file_name' parameter parameter. This makes it possible for authenticated attackers, with administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Sslzen Wordpress-extensions
Products
Ssl Zen Ssl Zen
CVE-2026-17577

SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' Parameter

The SSL Zen plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'uri' (and 'host') parameters in versions up to, and including, 4.7.42. The ssl_zen_messages::getMessages() function builds the 'token_missmatch' message using base64_decode(sanitize_text_field($_REQUEST['uri'])) and (optionally) base64_decode(sanitize_text_field($_REQUEST['host'])). sanitize_text_field() cannot strip HTML/JavaScript that is hidden inside a base64-encoded blob, and the resulting decoded raw HTML is echoed unescaped by showMessage() . This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a specially crafted link.

CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Vendors
Sslzen Wordpress-extensions
Products
Ssl Zen Ssl Zen
CVE-2026-28569

WordPress SSL Zen plugin <= 4.7.43 - Reflected Cross Site Scripting (XSS) vulnerability

Unauthenticated Cross Site Scripting (XSS) in SSL Zen <= 4.7.43 versions.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Sslzen Wordpress
Products
Ssl Zen Wordpress
CVE-2024-1076

SSL Zen <= 4.5.3 - Unauthenticated Private Keys Access

The SSL Zen WordPress plugin before 4.6.0 does not properly prevent directory listing of the private keys folder, as it only relies on the use of .htaccess to prevent visitors from accessing the site's generated private keys, which allows an attacker to read them if the site runs on a server who doesn't support .htaccess files, like NGINX.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Sslzen
Products
Ssl Zen