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CVE-2026-14472— Kubio AI Page Builder <= 2.8.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via kubio/copyright Block Content

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（Stored Cross-Site Scripting）漏洞，受影响版本为 2.8.4 及之前所有版本。该漏洞是由于输入未充分过滤（insufficient input sanitization）且输出未正确转义（output escaping）所导致。 具备贡献者（Contributor）级别及以上权限的认证攻击者可借此向页面中注入任意 Web 脚本，一旦用户访问被注入的页面，这些脚本即会被执行。 该攻击能够同时绕过 Wo

CVSS 6.4 · Medium EPSS 0.26% · P16

Affected Version Matrix 1

VendorProduct Version RangeStatus
extendthemes Kubio AI Page Builder ≤ 2.8.4 affected
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I. Basic Information for CVE-2026-14472

Vulnerability Information
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Vulnerability Title
Kubio AI Page Builder <= 2.8.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via kubio/copyright Block Content
Source: CVE Program / CVE List V5
Vulnerability Description
The Kubio AI Page Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via kubio/copyright Block Content in all versions up to, and including, 2.8.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This bypasses both the WordPress core kses-on-save filter and the plugin's own wp_kses_post() call, because entity-encoded script tags are treated as inert text by kses but are decoded into live HTML by the subsequent html_entity_decode() call in CopyrightBlock::render_template().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 ~ 2.8.4 -

II. Public POCs for CVE-2026-14472

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III. Intelligence Information for CVE-2026-14472

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Other References for CVE-2026-14472 (3)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-14472

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