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CVE-2023-3956— InstaWP Connect <= 0.0.9.18 - Missing Authorization to Unauthenticated Post/Taxonomy/User Add/Change/Delete, Customizer Setting Change, Plugin Installation/Activation/Deactication via events_receiver

Quick assessment

Affected
instawp InstaWP Connect – 1-click WP Staging & Migration
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin InstaWP Connect 0.0.9.18及之前版本存在安全漏洞，该漏洞源于缺少对events_receiver函数的功能检查，容易受到未经授权的数据访问、数据修改和数据丢失。

CVSS 9.8 · Critical EPSS 0.97% · P59
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I. Basic Information for CVE-2023-3956

Vulnerability Information
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Vulnerability Title
InstaWP Connect <= 0.0.9.18 - Missing Authorization to Unauthenticated Post/Taxonomy/User Add/Change/Delete, Customizer Setting Change, Plugin Installation/Activation/Deactication via events_receiver
Source: CVE Program / CVE List V5
Vulnerability Description
The InstaWP Connect plugin for WordPress is vulnerable to unauthorized access of data, modification of data and loss of data due to a missing capability check on the 'events_receiver' function in versions up to, and including, 0.0.9.18. This makes it possible for unauthenticated attackers to add, modify or delete post and taxonomy, install, activate or deactivate plugin, change customizer settings, add or modify or delete user including administrator user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin InstaWP Connect 安全漏洞
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。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin InstaWP Connect 0.0.9.18及之前版本存在安全漏洞，该漏洞源于缺少对events_receiver函数的功能检查，容易受到未经授权的数据访问、数据修改和数据丢失。
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
instawp InstaWP Connect – 1-click WP Staging & Migration (beta) * ~ 0.0.9.18 -

II. Public POCs for CVE-2023-3956

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III. Intelligence Information for CVE-2023-3956

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Patches & Fixes for CVE-2023-3956 (2)

Vendor Advisories for CVE-2023-3956 (1)

IV. Related Vulnerabilities

Same product: InstaWP Connect – 1-click WP Staging & Migration
Same vendor: instawp
Same weakness: CWE-862

V. Comments for CVE-2023-3956

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