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CVE-2026-15463

MEDIUM 6.1 CVSS 3.1
Published
September 19, 2026
Last modified
September 21, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The SSL Zen — SSL Certificate Installer & HTTPS Redirects plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'host' parameter in all versions up to, and including, 4.7.42 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. The vulnerability is only exploitable when in the system_requirements stage.

Affected WordPress components

  • SSL Zen — SSL Certificate Installer & HTTPS Redirects Plugin · ssl-zen
    Confirmed match Active
    Up to and including 4.7.42
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects — Up to and including 4.7.42

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.41/ssl_zen/classes/class.ssl_zen_admin.php#L863
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/ssl-zen/tags/4.7.41/ssl_zen/classes/class.ssl_zen_messages.php#L44
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3701590%40ssl-zen&new=3701590%40ssl-zen
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/5e392d3c-4a3d-4b5b-a149-70c9b58dca1a?source=cve
  • nvd.nist.gov Official NVD record