CVE-2026-120512— Form Maker by 10Web <= 1.15.50 - Unauthenticated Stored Cross-Site Scripting via Hidden Input Field Value

Quick assessment

Affected

10web Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact 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.

10Web 开发的"Form Maker"（一款适用于 WordPress 的移动友好型拖放式联系表单构建器插件）在所有版本（包括 1.15.50 及更早版本）中，由于输入清理和输出转义不足，存在存储型跨站脚本（Stored XSS）漏洞。该漏洞涉及参数（隐藏输入字段，其名称由用户自定义，例如）。此漏洞允许未认证的攻击者在页面中注入任意 Web 脚本，一旦用户访问被注入的页面，这些脚本便会执行。利用该漏洞需要管理员执行以下操作：打开“提交记录（Submissions）”屏幕，并点击与中毒条目关联的“在地图上显

CVSS 7.2 · High EPSS 0.24% · P15 Updated Nov 08, 2026

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

Vendor	Product	Version Range	Status
10web	Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder	`≤ 1.15.50`	affected

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Vulnerability Information

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Vulnerability Title

Form Maker by 10Web <= 1.15.50 - Unauthenticated Stored Cross-Site Scripting via Hidden Input Field Value

Source: CVE Program / CVE List V5

Vulnerability Description

The Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wdform_<n>_element<id> (Hidden Input field, name = user-defined, e.g. hidden_probe)' parameter in all versions up to, and including, 1.15.50 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. Exploitation requires an administrator to open the Submissions screen and click the Show-on-Map link associated with the poisoned entry, at which point the attacker-controlled field_id value is echoed unescaped into a single-quoted JavaScript string in the FormMakerEditCountryinPopup popup — a step whose nonce and capability checks are automatically satisfied by the administrator's own session and the freshly minted fm_ajax_nonce embedded in the link.

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
10web	Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder	0 ~ 1.15.50	-

II. Public POCs for CVE-2026-120512

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-120512

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Other References for CVE-2026-120512 (7)

https://www.cve.org/CVERecord?id=CVE-2026-120512

IV. Related Vulnerabilities

Same product: Form Maker by 10Web – Mobile-Friendly Drag & Drop Contact Form Builder

Same vendor: 10web

Same weakness: CWE-79