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CVE-2026-111190— ARForms <= 7.2.4 - Unauthenticated Arbitrary File Upload to Remote Code Execution via X-FILENAME Header

Quick assessment

Affected
n/a ARforms
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 ARForms 插件在 7.2.4 及更早的所有版本中，存在任意文件上传漏洞。该漏洞源于其表单文件上传处理程序：存储的文件名取自攻击者可控制的请求头，且未对安全文件类型进行充分限制；同时，插件的文件类型检查与内容安全检查可被绕过，导致包含可执行 PHP 代码的文件被写入到公开可访问的目录中。这使得未认证的攻击者能够将恶意文件上传至受影响站点的服务器，进而可能实现远程代码执行（RCE）。利用该漏洞的前提是：站点上必须存在一个已发布且包含“文件”字段的表单，并且该表单需对公众公开可访问。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-111190

Vulnerability Information
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Vulnerability Title
ARForms <= 7.2.4 - Unauthenticated Arbitrary File Upload to Remote Code Execution via X-FILENAME Header
Source: CVE Program / CVE List V5
Vulnerability Description
The ARForms plugin for WordPress is vulnerable to arbitrary file upload in all versions up to, and including, 7.2.4 via its form file-upload handler. The name of the stored file is taken from an attacker-controlled request header and is not adequately restricted to safe file types, and the plugin's file-type and content-safety checks can be evaded, allowing files that contain executable PHP code to be written to a publicly accessible directory. This makes it possible for unauthenticated attackers to upload malicious files to the affected site's server, which may make remote code execution possible. Exploitation requires a published form containing a File field to be publicly accessible on the site.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- ARforms 0 ~ 7.2.4 -

II. Public POCs for CVE-2026-111190

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III. Intelligence Information for CVE-2026-111190

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Other References for CVE-2026-111190 (2)

Same Patch Batch · n/a · 2026-11-11 · 3 CVEs total

CVE-2026-12427 7.2 HIGH ARforms <= 7.2.4 - Unauthenticated Stored Cross-Site Scripting via 'description' Parameter
CVE-2026-12424 7.2 HIGH ARforms <= 7.2.4 - Unauthenticated Stored Cross-Site Scripting via Referer Header

IV. Related Vulnerabilities

Same product: ARforms
Same vendor: n/a
Same weakness: CWE-434