CVE-2021-24354— Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation
Quick assessment
Affected
Unknown Simple 301 Redirects by BetterLinks
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。 BetterLinks WordPress plugin 2.0.4之前版本存在安全漏洞，该漏洞源于缺乏功能检查AJAX动作，攻击者可利用该漏洞安装任意插件。
Possible ATT&CK Techniques 2 AI
T1098.004 · SSH Authorized Keys T1195.002 · Compromise Software Supply Chain
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I. Basic Information for CVE-2021-24354
Vulnerability Information
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Vulnerability Title
Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation
Source: CVE Program / CVE List V5
Vulnerability Description
A lack of capability checks and insufficient nonce check on the AJAX action in the Simple 301 Redirects by BetterLinks WordPress plugin before 2.0.4, made it possible for authenticated users to install arbitrary plugins on vulnerable sites.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
BetterLinks WordPress plugin 安全漏洞
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。 BetterLinks WordPress plugin 2.0.4之前版本存在安全漏洞，该漏洞源于缺乏功能检查AJAX动作，攻击者可利用该漏洞安装任意插件。
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 | Simple 301 Redirects by BetterLinks | 2.0.0 ~ 2.0.0* | - |
|
II. Public POCs for CVE-2021-24354
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2021-24354 (2)
-
https://wpscan.com/vulnerability/8638b36c-6641-491f-b9df-5db3645e4668 x_refsource_CONFIRM
Same Patch Batch · Unknown · 2021-06-14 · 16 CVEs total
| CVE-2021-24358 | The Plus Addons for Elementor Page Builder < 4.1.10 - Open Redirect | |
| CVE-2021-24359 | The Plus Addons for Elementor Page Builder < 4.1.11 - Arbitrary Reset Pwd Email Sending | |
| CVE-2021-24360 | Yes/No Chart < 1.0.12 - Authenticated (contributor+) Blind SQL Injection | |
| CVE-2021-24349 | Gallery From Files <= 1.6.0 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24350 | Visitors <= 0.3 - Unauthenticated Stored Cross-Site Scripting (XSS) | |
| CVE-2021-24351 | The Plus Addons for Elementor < 4.1.12 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24352 | Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Export | |
| CVE-2021-24353 | Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauthenticated Redirect Import | |
| CVE-2021-24355 | Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update and Retrieve Wildcard Value | |
| CVE-2021-24356 | Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitrary Plugin Activation | |
| CVE-2021-24341 | Xllentech English Islamic Calendar < 2.6.8 - Authenticated SQL Injection | |
| CVE-2021-24345 | Sendit WP Newsletter <= 2.5.1 - Authenticated (admin+) SQL Injection | |
| CVE-2021-24346 | Stock in & out <= 1.0.4 - Reflected Cross-Site Scripting (XSS) | |
| CVE-2021-24347 | SP Project & Document Manager <2 4.22 - Authenticated Shell Upload | |
| CVE-2021-24348 | Side Menu < 3.1.5 - Authenticated (admin+) SQL Injection |
IV. Related Vulnerabilities
Same product: Simple 301 Redirects by BetterLinks
-
CVE-2023-47761
WordPress Simple 301 Redirects by BetterLinks plugin <= 2.0. -
CVE-2021-24352
Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauth -
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Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Unauth -
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Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Update -
CVE-2021-24356
Simple 301 Redirects by BetterLinks - 2.0.0 – 2.0.3 - Arbitr
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V. Comments for CVE-2021-24354
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