What’s Vulnerable › Vulnerabilities

CVE-2026-17602: SSL Zen <= 4.7.42 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'file_name' Parameter

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-25 · updated 2026-09-25
• Weakness: CWE-22

Description

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.

Affected products

• sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects: through 4.7.42

References

• 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
• https://plugins.trac.wordpress.org/changeset?reponame=&old=3701590%40ssl-zen&new=3701590%40ssl-zen
• https://www.wordfence.com/threat-intel/vulnerabilities/id/6bf4cc39-3a26-462d-a540-2d53e53dfa66?source=cve

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