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CVE-2026-100107— Kubio AI Page Builder <= 2.9.2 - Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass)

Quick assessment

Affected
extendthemes Kubio AI Page Builder
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 Kubio AI Page Builder 插件存在存储型跨站脚本（XSS）漏洞，该漏洞存在于所有 2.9.2 及更早版本中，原因是“comment”参数输入清理不足以及输出转义不充分。这使得未认证的攻击者可以在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本便会执行。

CVSS 7.2 · High EPSS 0.31% · P21

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
extendthemes Kubio AI Page Builder ≤ 2.9.2 affected
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I. Basic Information for CVE-2026-100107

Vulnerability Information
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Vulnerability Title
Kubio AI Page Builder <= 2.9.2 - Unauthenticated Stored Cross-Site Scripting via SVG Comment Content (KSES Allowlist Bypass)
Source: CVE Program / CVE List V5
Vulnerability Description
The Kubio AI Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment' parameter in all versions up to, and including, 2.9.2 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
extendthemes Kubio AI Page Builder 0 ~ 2.9.2 -

II. Public POCs for CVE-2026-100107

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III. Intelligence Information for CVE-2026-100107

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Patches & Fixes for CVE-2026-100107 (5)

Vendor Advisories for CVE-2026-100107 (1)

Other References for CVE-2026-100107 (1)

IV. Related Vulnerabilities

Same product: Kubio AI Page Builder
Same vendor: extendthemes
Same weakness: CWE-79

V. Comments for CVE-2026-100107

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