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CVE-2021-24308— LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit Profile

Quick assessment

Affected
LifterLMS LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress
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 Membership & Learning Management System Plugin for WordPress plugin 4.21.1版本之前存在跨站脚本漏洞，该漏洞源于插件的编辑配置文件页面的"State"字段在配置文件页面的“关于”部分的输出时没有被正确地清理，导致存储型跨站点脚本问题。

AI Predicted 5.4 Difficulty: Easy EPSS 3.25% · P87

Public Exploits 1

ExploitDB · 1 EDB-49912 [webapps]

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2021-24308

Vulnerability Information
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Vulnerability Title
LifterLMS < 4.21.1 - Authenticated Stored XSS in Edit Profile
Source: CVE Program / CVE List V5
Vulnerability Description
The 'State' field of the Edit profile page of the LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress plugin before 4.21.1 is not properly sanitised when output in the About section of the profile page, leading to a stored Cross-Site Scripting issue. This could allow low privilege users (such as students) to elevate their privilege via an XSS attack when an admin will view their profile.
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 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 Membership & Learning Management System Plugin for WordPress plugin 4.21.1版本之前存在跨站脚本漏洞，该漏洞源于插件的编辑配置文件页面的"State"字段在配置文件页面的“关于”部分的输出时没有被正确地清理，导致存储型跨站点脚本问题。
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
LifterLMS LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress 4.21.1 ~ 4.21.1 -

II. Public POCs for CVE-2021-24308

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III. Intelligence Information for CVE-2021-24308

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Vendor Advisories for CVE-2021-24308 (1)

Exploits & Public PoCs for CVE-2021-24308 (1)

Other References for CVE-2021-24308 (1)

IV. Related Vulnerabilities

Same product: LMS by LifterLMS – Online Course, Membership & Learning Management System Plugin for WordPress
Same vendor: LifterLMS
Same weakness: CWE-79

V. Comments for CVE-2021-24308

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