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CVE-2021-24621— WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code

Quick assessment

Affected
Unknown WP Courses LMS
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 WP Courses LMS 存在安全漏洞，该漏洞源于在2.0.44之前的WP Courses LMS WordPress插件不清理其视频嵌入代码，允许高权限用户在其中注入恶意代码。攻击者可利用该漏洞执行客户端代码。

AI Predicted 6.1 Difficulty: Easy EPSS 0.62% · P47
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I. Basic Information for CVE-2021-24621

Vulnerability Information
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Vulnerability Title
WP Courses LMS < 2.0.44 - Authenticated Stored XSS via Video Embed Code
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Courses LMS WordPress plugin before 2.0.44 does not sanitise its Video Embed Code, allowing malicious code to be injected in it by high privilege users, even when the unfiltered_html capability is disallowed, which could lead to Stored Cross-Site Scripting issues
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
WordPress 插件跨站脚本漏洞
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。 WordPress plugin WP Courses LMS 存在安全漏洞，该漏洞源于在2.0.44之前的WP Courses LMS WordPress插件不清理其视频嵌入代码，允许高权限用户在其中注入恶意代码。攻击者可利用该漏洞执行客户端代码。
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 WP Courses LMS 2.0.44 ~ 2.0.44 -

II. Public POCs for CVE-2021-24621

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III. Intelligence Information for CVE-2021-24621

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Vendor Advisories for CVE-2021-24621 (1)

Same Patch Batch · Unknown · 2021-09-13 · 20 CVEs total

CVE-2021-24605 Custom Post View Generator <= 0.4.6 - Reflected Cross-Site Scripting
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-2021-24493 Shopp eCommerce <= 1.4 - Unauthenticated Arbitrary File Upload
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-2021-24728 Paid Member Subscriptions < 2.4.2 - Authenticated SQL Injection
CVE-2021-24614 Book appointment Online < 1.39 - Authenticated Stored Cross-Site Scripting (XSS)
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-2021-24623 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 product: WP Courses LMS
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24621

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