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CVE-2021-24223— N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE

Quick assessment

Affected
Unknown N5 Upload Form
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 插件是WordPress开源的一个应用插件。 WordPress 插件 N5 Upload Form 1.0版本存在代码问题漏洞，该漏洞允许攻击者上传任意文件。

AI Predicted 7.5 Difficulty: Easy EPSS 2.21% · P81
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I. Basic Information for CVE-2021-24223

Vulnerability Information
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Vulnerability Title
N5 Upload Form <= 1.0 - Unauthenticated Arbitrary File Upload to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
The N5 Upload Form WordPress plugin through 1.0 suffers from an arbitrary file upload issue in page where a Form from the plugin is embed, as any file can be uploaded. The uploaded filename might be hard to guess as it's generated with md5(uniqid(rand())), however, in the case of misconfigured servers with Directory listing enabled, accessing it is trivial.
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 插件是WordPress开源的一个应用插件。 WordPress 插件 N5 Upload Form 1.0版本存在代码问题漏洞，该漏洞允许攻击者上传任意文件。
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 N5 Upload Form 1.0 ~ 1.0 -

II. Public POCs for CVE-2021-24223

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III. Intelligence Information for CVE-2021-24223

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Vendor Advisories for CVE-2021-24223 (1)

Other References for CVE-2021-24223 (1)

Same Patch Batch · Unknown · 2021-04-12 · 14 CVEs total

CVE-2021-24231 Patreon WordPress < 1.7.0 - CSRF to Disconnect Sites From Patreon
CVE-2021-24230 Patreon WordPress < 1.7.0 - CSRF to Overwrite/Create User Meta
CVE-2021-24229 Patreon WordPress < 1.7.2 - Reflected XSS on patreon_save_attachment_patreon_level AJAX ac
CVE-2021-24228 Patreon WordPress < 1.7.2 - Reflected XSS on Login Form
CVE-2021-24227 Patreon WordPress < 1.7.0 - Unauthenticated Local File Disclosure
CVE-2021-24226 AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage
CVE-2021-24225 Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)
CVE-2021-24224 Easy Form Builder <= 1.0 - Authenticated Arbitrary File Upload
CVE-2021-24222 WP-Curricul Vitea Free <= 6.3 - Unauthenticated Arbitrary File Upload to RCE
CVE-2021-24221 Quiz And Survey Master < 7.1.12 - Authenticated SQL injection via shortcode
CVE-2021-24218 Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
CVE-2021-24217 Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain
CVE-2021-24215 Controlled Admin Access < 1.5.2 - Improper Access Control & Privilege Escalation

IV. Related Vulnerabilities

Same vendor: Unknown
Same weakness: CWE-434

V. Comments for CVE-2021-24223

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