CVE-2026-17602 SSL Zen <= 4.7.42 - Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'file_name' Parameter
Authenticated administrators can read arbitrary files on the server via a path traversal vulnerability in the SSL Zen WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17602?
CVE-2026-17602 is a medium-severity path traversal vulnerability in sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects, published on 25 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-17602?
How do I fix CVE-2026-17602?
No fix has been published for CVE-2026-17602 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-17602 being exploited?
There is no known exploitation of CVE-2026-17602 in the wild and no public exploit code.
Sources
Also known as GHSA-gcpm-5qpp-4477.