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CVE-2026-66047— ProfilePress WordPress Plugin < 4.17.2 Unauthenticated Arbitrary Plugin Installation RCE

Quick assessment

Affected
Proper Fraction ProfilePress
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.

ProfilePress（wp-user-avatar）WordPress 插件在 4.17.2 之前的版本中存在一个未认证的远程代码执行漏洞。该漏洞允许未认证的攻击者通过 AJAX 处理器，通过暴力破解一个弱小的 32 位连接令牌（connect token），从而安装并激活任意插件。攻击者可以通过 请求参数提供由调用方控制的 URL，触发插件的静默安装与激活，进而以 Web 服务器用户的身份实现 PHP 代码执行。

CVSS 8.1 · High
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I. Basic Information for CVE-2026-66047

Vulnerability Information
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Vulnerability Title
ProfilePress WordPress Plugin < 4.17.2 Unauthenticated Arbitrary Plugin Installation RCE
Source: CVE Program / CVE List V5
Vulnerability Description
ProfilePress (wp-user-avatar) WordPress plugin before 4.17.2 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to install and activate arbitrary plugins by brute-forcing a weak 32-bit connect token via the ppress_connect_process AJAX handler. Attackers can supply a caller-controlled URL through the file request parameter to trigger silent plugin installation and activation, achieving PHP code execution as the web-server user.
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
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Proper Fraction ProfilePress 0 ~ 4.17.2 -

II. Public POCs for CVE-2026-66047

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III. Intelligence Information for CVE-2026-66047

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Vendor Advisories for CVE-2026-66047 (1)

Vendor Pages for CVE-2026-66047 (2)

IV. Related Vulnerabilities

Same product: ProfilePress
Same weakness: CWE-306

V. Comments for CVE-2026-66047

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