CVE-2026-17037— Kirki <= 6.2.0 - Unauthenticated Stored Cross-Site Scripting via 'comment' Parameter
Quick assessment
Affected
themeum Kirki – Freeform Page Builder, Website Builder & Customizer
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 Kirki – Freeform 页面构建器、网站构建器及自定义器插件存在存储型跨站脚本（Stored XSS）漏洞，该漏洞通过‘comment’参数引发，影响所有版本（包括 6.2.0 及更早版本），根本原因在于输入数据净化不足以及输出未进行转义处理。这使得未经身份验证的攻击者能够向页面中注入任意的 Web 脚本，当用户访问被注入的页面时，这些脚本将会被执行。
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I. Basic Information for CVE-2026-17037
Vulnerability Information
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Vulnerability Title
Kirki <= 6.2.0 - Unauthenticated Stored Cross-Site Scripting via 'comment' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘comment’ parameter in all versions up to, and including, 6.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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 |
|---|---|---|---|---|
| themeum | Kirki – Freeform Page Builder, Website Builder & Customizer | 0 ~ 6.2.0 | - |
|
II. Public POCs for CVE-2026-17037
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-17037 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-17037
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