CVE-2021-24311— External Media < 1.0.34 - Authenticated Arbitrary File Upload
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I. Basic Information for CVE-2021-24311
Vulnerability Information
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Vulnerability Title
External Media < 1.0.34 - Authenticated Arbitrary File Upload
Source: NVD (National Vulnerability Database)
Vulnerability Description
The wp_ajax_upload-remote-file AJAX action of the External Media WordPress plugin before 1.0.34 was vulnerable to arbitrary file uploads via any authenticated users.
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 插件是WordPress开源的一个应用插件。 WordPress插件 External Media 存在代码问题漏洞，该漏洞源于wp ajax upload-remote-file ajax操作容易受到任何身份验证用户的任意文件上传的影响。
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 | External Media | 1.0.34 ~ 1.0.34 | - |
II. Public POCs for CVE-2021-24311
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://wpscan.com/vulnerability/4fb90999-6f91-4200-a0cc-bfe9b34a5de9x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-24311
Same Patch Batch · Unknown · 2021-06-01 · 10 CVEs total
| CVE-2021-24328 | WP Login Security and History <= 1.0 - CSRF to Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24329 | WP Super Cache < 1.7.3 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24330 | Funnel Builder by CartFlows < 1.6.13 - Authenticated Stored XSS via FB Pixel ID and Google | |
| CVE-2021-24331 | Smooth Scroll Page Up/Down Buttons < 1.4 - Authenticated Stored XSS | |
| CVE-2021-24333 | Content Copy Protection & Prevent Image Save <= 1.3 - CSRF to Stored Cross-Site Scripting | |
| CVE-2021-24334 | Instant Images WordPress Plugin < 4.4.0.1 - Authenticated Stored XSS & XFS | |
| CVE-2021-24335 | Car Repair Services < 4.0 - Unauthenticated Reflected XSS & XFS | |
| CVE-2021-24313 | WP Prayer < 1.6.2 - Authenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24309 | Weekly Schedule < 3.4.3 - Authenticated Stored XSS |
IV. Related Vulnerabilities
Same vendor: Unknown
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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
V. Comments for CVE-2021-24311
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