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CVE-2026-3666— wpForo Forum <= 2.4.16 - Authenticated (Subscriber+) Arbitrary File Deletion via Post Body

Quick assessment

Affected
tomdever wpForo Forum
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin wpForo Forum 2.4.16及之前版本存在路径遍历漏洞，该漏洞源于缺少对路径遍历序列的文件名或路径验证，可能导致经过身份验证的攻击者删除服务器上的任意文件。

CVSS 8.8 · High EPSS 0.58% · P46
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I. Basic Information for CVE-2026-3666

Vulnerability Information
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Vulnerability Title
wpForo Forum <= 2.4.16 - Authenticated (Subscriber+) Arbitrary File Deletion via Post Body
Source: CVE Program / CVE List V5
Vulnerability Description
The wpForo Forum plugin for WordPress is vulnerable to arbitrary file deletion in all versions up to, and including, 2.4.16. This is due to a missing file name/path validation against path traversal sequences. This makes it possible for authenticated attackers, with subscriber level access and above, to delete arbitrary files on the server by embedding a crafted path traversal string in a forum post body and then deleting the post.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin wpForo Forum 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin wpForo Forum 2.4.16及之前版本存在路径遍历漏洞，该漏洞源于缺少对路径遍历序列的文件名或路径验证，可能导致经过身份验证的攻击者删除服务器上的任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
tomdever wpForo Forum 0 ~ 2.4.16 -

II. Public POCs for CVE-2026-3666

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III. Intelligence Information for CVE-2026-3666

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Patches & Fixes for CVE-2026-3666 (1)

IV. Related Vulnerabilities

Same product: wpForo Forum
Same vendor: tomdever
Same weakness: CWE-22

V. Comments for CVE-2026-3666

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