CVE-2026-17602
MediumCVSS 4.9Summary
The SSL Zen plugin for WordPress is vulnerable to Directory Traversal in all versions up to and including 4.7.42 via the 'file_name' parameter. This allows reading the contents of arbitrary files on the server.
Risk Assessment
An authenticated attacker with administrator-level access can read sensitive information from server files, potentially leading to further privilege escalation.
Recommendation
Update the SSL Zen plugin to a version newer than 4.7.42 that fixes the Directory Traversal vulnerability in the 'file_name' parameter.
Other vulnerabilities in SSL Zen
See all- CVE-2026-17577Medium
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 getMessages() function decodes base64 input and echoes raw HTML without escaping.
- CVE-2026-86781Medium
The SSL Zen — SSL Certificate Installer & HTTPS Redirects WordPress plugin before 4.7.40 does not perform capability or nonce checks on a certificate-file download routine that runs early in the WordPress admin request lifecycle, allowing any authenticated user, including Subscribers, to download the site's TLS private key, certificates, and diagnostic logs.
- CVE-2026-28569High
Unauthenticated Cross Site Scripting (XSS) in SSL Zen versions up to 4.7.43.
Original NVD description (English source)
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.

