Vulnerability in SSL Zen — SSL Certificate Installer & HTTPS Redirects — CVE-2026-17602

What to do now

Update SSL Zen — SSL Certificate Installer & HTTPS Redirects to 4.7.43 or later.

Affected versions

• Everything up to and including 4.7.42

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.

This description is reproduced verbatim from the public vulnerability record.

• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.12/ssl_zen/classes/class.ssl_zen_admin.php#L492
• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.12/ssl_zen/classes/class.ssl_zen_admin.php#L496
• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.12/ssl_zen/classes/class.ssl_zen_admin.php#L54
• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.42/ssl_zen/classes/class.ssl_zen_admin.php#L492
• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.42/ssl_zen/classes/class.ssl_zen_admin.php#L496
• https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.42/ssl_zen/classes/class.ssl_zen_admin.php#L54

This page is compiled automatically from public databases. Accuracy is not guaranteed; confirm against the vendor advisory before acting.