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CVE-2021-24490— Email Artillery <= 4.1 - Arbitrary File Upload

Quick assessment

Affected
Unknown Email Artillery (MASS EMAIL)
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是WordPress（Wordpress）基金会的一套使用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 存在代码问题漏洞，该漏洞源于 Email Artillery (MASS EMAIL) 插件无法正确检查从导入电子邮件功能上传的文件，从而允许上传任意文件。此外，该插件还缺乏任何 CSRF 检查，允许通过 CSRF 攻击来利用此类问题。 但是，由于存在 .htaccess，拒绝访问文件上传到的文件夹中的所有内容，

AI Predicted 8.1 Difficulty: Easy EPSS 0.56% · P44
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I. Basic Information for CVE-2021-24490

Vulnerability Information
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Vulnerability Title
Email Artillery <= 4.1 - Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The Email Artillery (MASS EMAIL) WordPress plugin through 4.1 does not properly check the uploaded files from the Import Emails feature, allowing arbitrary files to be uploaded. Furthermore, the plugin is also lacking any CSRF check, allowing such issue to be exploited via a CSRF attack as well. However, due to the presence of a .htaccess, denying access to everything in the folder the file is uploaded to, the malicious uploaded file will only be accessible on Web Servers such as Nginx/IIS
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Vulnerability Title
WordPress 插件代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress（Wordpress）基金会的一套使用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 存在代码问题漏洞，该漏洞源于 Email Artillery (MASS EMAIL) 插件无法正确检查从导入电子邮件功能上传的文件，从而允许上传任意文件。此外，该插件还缺乏任何 CSRF 检查，允许通过 CSRF 攻击来利用此类问题。 但是，由于存在 .htaccess，拒绝访问文件上传到的文件夹中的所有内容，
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
Unknown Email Artillery (MASS EMAIL) 4.1 ~ 4.1 -

II. Public POCs for CVE-2021-24490

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III. Intelligence Information for CVE-2021-24490

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Vendor Advisories for CVE-2021-24490 (1)

Same Patch Batch · Unknown · 2021-09-13 · 20 CVEs total

CVE-2021-24614 Book appointment Online < 1.39 - Authenticated Stored Cross-Site Scripting (XSS)
CVE-2021-24431 Language Bar Flags <= 1.0.8 - CSRF to Stored XSS
CVE-2021-24491 Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF
CVE-2021-24493 Shopp eCommerce <= 1.4 - Unauthenticated Arbitrary File Upload
CVE-2021-24508 Smash Balloon Social Post Feed < 2.19.2 - Unauthenticated Stored XSS
CVE-2021-24510 MF Gig Calendar < 1.2 - Reflected Cross-Site Scripting (XSS)
CVE-2021-24523 Daily Prayer Time < 2021.08.10 - Authenticated Stored XSS
CVE-2021-24560 Software License Manager < 4.4.8 - Reflected Cross-Site Scripting
CVE-2021-24586 Per Page Add to Head < 1.4.4 - CSRF to Stored XSS
CVE-2021-24605 Custom Post View Generator <= 0.4.6 - Reflected Cross-Site Scripting
CVE-2021-24728 Paid Member Subscriptions < 2.4.2 - Authenticated SQL Injection
CVE-2021-24619 Per Page Add to Head <= 1.4.4 - Authenticated Stored XSS
CVE-2021-24620 Simple eCommerce <= 2.2.5 - Arbitrary File Upload
CVE-2021-24621 WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
CVE-2021-24623 WordPress Advanced Ticket System < 1.0.64 - Authenticated Stored Cross-Site Scripting (XSS
CVE-2021-24724 Timetable and Event Schedule by MotoPress < 2.3.19 - Author+ Stored Cross-Site Scripting
CVE-2021-24725 Comment Link Remove and Other Comment Tools < 2.1.6 - Arbitrary Comment Deletion via CSRF
CVE-2021-24726 WP Simple Booking Calendar <= 2.0.6 (before 07/12/2021) - Authenticated SQL Injection
CVE-2021-24727 Block and Stop Bad Bots < 6.60 - Authenticated SQL Injections

IV. Related Vulnerabilities

Same vendor: Unknown
Same weakness: CWE-434

V. Comments for CVE-2021-24490

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