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CVE-2026-97342— JetFormBuilder <= 3.6.5.4 - Unauthenticated Stored Cross-Site Scripting via 'choice' Post Meta via Insert/Update Post Action

Quick assessment

Affected
jetmonsters JetFormBuilder — Dynamic Blocks Form 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 插件 JetFormBuilder — Dynamic Blocks Form Builder 存在存储型跨站脚本（XSS）漏洞。该漏洞存在于所有 3.6.5.4 及以下版本，根源在于输入清理和输出转义处理不足。攻击者可通过“choice”字段对应的文章元数据（Post Meta），在用户访问被注入脚本的页面时执行任意 Web 脚本。 具体来说，未认证的攻击者可以通过未授权访问的 wp_ajax_nopriv_jet_form_builder_submit 端点提交恶意载荷。这些载荷在通过“插入

CVSS 7.2 · High EPSS 0.24% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
jetmonsters JetFormBuilder — Dynamic Blocks Form Builder ≤ 3.6.5.4 affected
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I. Basic Information for CVE-2026-97342

Vulnerability Information
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Vulnerability Title
JetFormBuilder <= 3.6.5.4 - Unauthenticated Stored Cross-Site Scripting via 'choice' Post Meta via Insert/Update Post Action
Source: CVE Program / CVE List V5
Vulnerability Description
The JetFormBuilder — Dynamic Blocks Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'choice' Post Meta via Insert/Update Post Action in all versions up to, and including, 3.6.5.4 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. The injected payload is submitted via the unauthenticated wp_ajax_nopriv_jet_form_builder_submit endpoint, stored verbatim into post meta through the Insert/Update Post action, and later rendered unescaped by the Select Field block template when the get_from_db option generator copies raw meta values into option value attributes and label content.
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
jetmonsters JetFormBuilder — Dynamic Blocks Form Builder 0 ~ 3.6.5.4 -

II. Public POCs for CVE-2026-97342

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III. Intelligence Information for CVE-2026-97342

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Patches & Fixes for CVE-2026-97342 (3)

Vendor Advisories for CVE-2026-97342 (1)

Vendor Pages for CVE-2026-97342 (1)

Other References for CVE-2026-97342 (1)

IV. Related Vulnerabilities

Same product: JetFormBuilder — Dynamic Blocks Form Builder
Same vendor: jetmonsters
Same weakness: CWE-79

V. Comments for CVE-2026-97342

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