CVE-2021-24493— Shopp eCommerce <= 1.4 - Unauthenticated Arbitrary File Upload
Quick assessment
Affected
Unknown Shopp
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 Shopp 存在代码问题漏洞，该漏洞源于shopp_upload_file AJAX 操作通过 1.4，可供未经身份验证和经过身份验证的用户使用，没有任何安全措施来防止上传恶意文件。攻击者可利用该漏洞允许未经身份验证的用户上传任意文件,导致远端控制设备。
Possible ATT&CK Techniques 1 AI
T1505.003 · Web Shell
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2021-24493
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Shopp eCommerce <= 1.4 - Unauthenticated Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
The shopp_upload_file AJAX action of the Shopp WordPress plugin through 1.4, available to both unauthenticated and authenticated user does not have any security measure in place to prevent upload of malicious files, such as PHP, allowing unauthenticated users to upload arbitrary files and leading to RCE
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 Shopp 存在代码问题漏洞，该漏洞源于shopp_upload_file AJAX 操作通过 1.4，可供未经身份验证和经过身份验证的用户使用，没有任何安全措施来防止上传恶意文件。攻击者可利用该漏洞允许未经身份验证的用户上传任意文件,导致远端控制设备。
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
II. Public POCs for CVE-2021-24493
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-24493
请登录查看更多情报信息。
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-2021-24490 | Email Artillery <= 4.1 - Arbitrary File Upload | |
| CVE-2021-24491 | Fileviewer <= 2.2 - Arbitrary File Upload/Deletion via CSRF | |
| 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-2026-77115
Brave Popup Builder < 0.8.6 - Unauthenticated Reflected XSS -
CVE-2026-77116
Brave Popup Builder < 0.8.6 - Subscriber+ Unpublished Popup -
CVE-2026-77003
Content Mask 1.8.0 - 1.8.5.4 - Contributor Publish Capabilit -
CVE-2026-14853
WooCommerce Bookings < 3.9.0 - Subscriber+ Draft Bookable Pr -
CVE-2026-13598
RestrictMate < 1.3.0 - Unauthenticated Privilege Escalation
Same weakness: CWE-434
-
CVE-2026-49849
xShop: Unrestricted File Upload in File Attachment Module in -
CVE-2026-77681
CodeAstro Online Job Portal update-profile.php unrestricted -
CVE-2026-2334
) Missing Server-Side File Extension Validation in vsDesk -
CVE-2026-76995
SourceCodester Simple Online Food Ordering System ajax.php s -
CVE-2026-64960
Remote Code Execution via Unrestricted File Upload in ATutor
V. Comments for CVE-2021-24493
No comments yet