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CVE-2026-15463— SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' and 'host' Parameters

Quick assessment

Affected
sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 SSL Zen — SSL 证书安装程序与 HTTPS 重定向插件存在反射型跨站脚本攻击（Reflected XSS）漏洞，影响所有 4.7.42 版本及更早版本，原因是“host”参数缺少足够的输入净化和输出转义。这使得未认证的攻击者能够在执行脚本的页面中注入任意 Web 脚本，前提是成功诱骗用户执行某个操作（如点击链接）。该漏洞仅在系统处于 阶段时可被利用。

CVSS 6.1 · Medium
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I. Basic Information for CVE-2026-15463

Vulnerability Information
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Vulnerability Title
SSL Zen <= 4.7.42 - Reflected Cross-Site Scripting via 'uri' and 'host' Parameters
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
sslzen SSL Zen — SSL Certificate Installer & HTTPS Redirects 0 ~ 4.7.42 -

II. Public POCs for CVE-2026-15463

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III. Intelligence Information for CVE-2026-15463

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Patches & Fixes for CVE-2026-15463 (1)

Vendor Advisories for CVE-2026-15463 (1)

Vendor Pages for CVE-2026-15463 (1)

IV. Related Vulnerabilities

Same product: SSL Zen — SSL Certificate Installer & HTTPS Redirects
Same weakness: CWE-79

V. Comments for CVE-2026-15463

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