WP Encryption <= 7.8.6.6 - Authenticated (Administrator+) Arbitrary File Write via 'imploded' Parameter

4.4
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVE CVE-2026-15786
CVSS 4.4 (Medium)
Publicly Published July 22, 2026
Last Updated July 24, 2026
Researcher Wordfence PRISM - Wordfence

Description

The WP Encryption – One Click Free SSL Certificate & SSL / HTTPS Redirect, Security & SSL Scan plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 7.8.6.6 via the 'imploded' 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. Although file write content is passed through esc_html(), which encodes angle brackets and prevents direct PHP execution, plaintext configuration files such as .htaccess are fully writable and exploitable for denial-of-service or redirect attacks. This is only exploitable when the premium version of the software is enabled and active.

References

Share

Vulnerability Details for WP Encryption – One Click SSL / HTTPS & Free SSL Certificate, HTTPS Redirect, Security

Software Type Plugin
Software Slug wp-letsencrypt-ssl (view on wordpress.org)
Patched? Yes
Remediation Update to version 7.8.6.7, or a newer patched version
Affected Version
  • <= 7.8.6.6
Patched Version
  • 7.8.6.7

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation