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CVE-2026-92098— Webheadcoder Multi-Step Forms for Contact Form 7 <= 4.7 - Reflected Cross-Site Scripting via 'l10n_print_after' Parameter

Quick assessment

Affected
webheadllc Webheadcoder Multi-Step Forms for Contact Form 7
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"Webheadcoder Multi-Step Forms for Contact Form 7"在 4.7 及之前的所有版本中，因输入清理和输出转义不足，存在通过 参数触发的反射型跨站脚本（XSS）漏洞。这使得未认证的攻击者能够在目标页面中注入任意 Web 脚本，前提是攻击者能成功诱使用户执行某些操作（例如点击恶意链接）。成功利用该漏洞的前提是：目标站点至少配置了一个带有 表单标签的 Contact Form 7 表单，因为 4.7 版本中引入的规范化机制已阻断了对非多步骤表单的攻击路径

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-92098

Vulnerability Information
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Vulnerability Title
Webheadcoder Multi-Step Forms for Contact Form 7 <= 4.7 - Reflected Cross-Site Scripting via 'l10n_print_after' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Webheadcoder Multi-Step Forms for Contact Form 7 plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'l10n_print_after' parameter in all versions up to, and including, 4.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Successful exploitation requires that the targeted site has at least one Contact Form 7 form configured with a [multistep] form-tag, as the canonicalization introduced in version 4.7 blocks the attack path on non-multistep forms.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
webheadllc Webheadcoder Multi-Step Forms for Contact Form 7 0 ~ 4.7 -

II. Public POCs for CVE-2026-92098

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III. Intelligence Information for CVE-2026-92098

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Patches & Fixes for CVE-2026-92098 (1)

Vendor Pages for CVE-2026-92098 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79