Directory Traversal Vulnerability in SSL Zen Plugin for WordPress
CVE-2026-17602

4.9MEDIUM

Key Information:

Vendor

WordPress
Status
Ssl Zen — Ssl Certificate Installer & Https Redirects
Vendor
CVE Published:
25 September 2026

What is CVE-2026-17602?

The SSL Zen plugin for WordPress is prone to a directory traversal vulnerability, allowing authenticated attackers with administrator access to potentially read sensitive server files through manipulation of the 'file_name' parameter. This security flaw can lead to unauthorized access to critical information, highlighting the need for immediate attention and patching for all versions up to and including 4.7.42.

Affected Version(s)

SSL Zen — SSL Certificate Installer & HTTPS Redirects 0 <= 4.7.42

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4...
https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4...

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.