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CVE-2021-24350— Visitors <= 0.3 - Unauthenticated Stored Cross-Site Scripting (XSS)

Quick assessment

Affected
Unknown Visitors
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。 Visitors WordPress plugin 中存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞在WordPress管理面板中显示用户的用户代理字符串，无需验证或编码。以下产品及型号受到影响：Visitors WordPress plugin 0.3。

AI Predicted 6.1 Difficulty: Trivial EPSS 1.30% · P69

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2021-24350

Vulnerability Information
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Vulnerability Title
Visitors <= 0.3 - Unauthenticated Stored Cross-Site Scripting (XSS)
Source: CVE Program / CVE List V5
Vulnerability Description
The Visitors WordPress plugin through 0.3 is affected by an Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability. The plugin would display the user's user agent string without validation or encoding within the WordPress admin panel.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Visitors WordPress plugin 跨站脚本漏洞
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。 Visitors WordPress plugin 中存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞在WordPress管理面板中显示用户的用户代理字符串，无需验证或编码。以下产品及型号受到影响：Visitors WordPress plugin 0.3。
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 Visitors 0.3 ~ 0.3 -

II. Public POCs for CVE-2021-24350

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III. Intelligence Information for CVE-2021-24350

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Vendor Advisories for CVE-2021-24350 (1)

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-2021-24351 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-2021-24354 Simple 301 Redirects by BetterLinks - 2.0.0-2.0.3 - Arbitrary Plugin Installation
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 vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24350

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