CVE-2026-15463
SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' and 'host' Parameters
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | sslzen |
| Product | ssl zen — ssl certificate installer & https redirects |
| Published | Sep 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
sslzen / SSL Zen — SSL Certificate Installer & HTTPS Redirects
0 ≤ 4.7.42
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/5e392d3c-4a3d-4b5b-a149-70c9b58dca1a?source=cve 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/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/changeset?reponame=&old=3701590%40ssl-zen&new=3701590%40ssl-zen
Credits
Wordfence PRISM