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CVE-2021-4383— WP Quick FrontEnd Editor <= 5.5 - Authenticated (Subscriber+) Content Injection

Quick assessment

Affected
labibahmed42 WP Quick FrontEnd Editor – WordPress Plugin
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 WP Quick FrontEnd Editor 存在安全漏洞，该漏洞源于插件的页面编辑功能中缺少功能检查。

CVSS 8.1 · High EPSS 0.80% · P53

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-4383

Vulnerability Information
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Vulnerability Title
WP Quick FrontEnd Editor <= 5.5 - Authenticated (Subscriber+) Content Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Quick FrontEnd Editor plugin for WordPress is vulnerable to page content injection in versions up to, and including, 5.5. This is due to missing capability checks in the plugin's page-editing functionality. This makes it possible for low-authenticated attackers, such as subscribers, to edit/create any page or post on the blog.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/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 WP Quick FrontEnd Editor 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 WP Quick FrontEnd Editor 存在安全漏洞，该漏洞源于插件的页面编辑功能中缺少功能检查。
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
labibahmed42 WP Quick FrontEnd Editor – WordPress Plugin * ~ 5.5 -

II. Public POCs for CVE-2021-4383

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III. Intelligence Information for CVE-2021-4383

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Vendor Advisories for CVE-2021-4383 (1)

Security Blog Posts for CVE-2021-4383 (1)

Other References for CVE-2021-4383 (1)

Same Patch Batch · labibahmed42 · 2023-06-07 · 4 CVEs total

CVE-2021-4378 6.4 MEDIUM WP Quick FrontEnd Editor <= 5.5 - Authenticated (Subscriber+) Stored Cross-Site Scripting
CVE-2021-4363 6.1 MEDIUM WP Quick FrontEnd Editor <= 5.5 - Reflected Cross-Site Scripting
CVE-2021-4371 4.3 MEDIUM WP Quick FrontEnd Editor <= 5.5 - Authenticated Settings Change

IV. Related Vulnerabilities

Same product: WP Quick FrontEnd Editor – WordPress Plugin
Same vendor: labibahmed42
Same weakness: CWE-862

V. Comments for CVE-2021-4383

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