CVE-2021-24490— Email Artillery <= 4.1 - Arbitrary File Upload
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
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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|---|
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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
- CVE-2026-6433
Custom CSS JS PHP <= 2.0.7 - Unauthenticated SQL Injection t - CVE-2026-4935
SureTriggers < 1.1.23 – Unauthenticated SQLi - CVE-2026-5335
Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
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