Reflected Cross-Site Scripting in SSL Zen Plugin for WordPress
CVE-2026-15463

6.1MEDIUM

Key Information:

Vendor

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

What is CVE-2026-15463?

The SSL Zen plugin for WordPress is susceptible to Reflected Cross-Site Scripting through the 'host' parameter due to inadequate input sanitization and output escaping. This vulnerability allows unauthenticated attackers to inject and execute arbitrary scripts on users' browsers when they mistake a crafted link. Successful exploitation occurs specifically in environments where system requirements are being validated, making it crucial for website administrators to ensure their version of the SSL Zen plugin is updated to mitigate potential risks.

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:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.