CVE-2021-24891— Elementor < 3.4.8 - DOM Cross-Site-Scripting
Quick assessment
Affected
Unknown Elementor Website Builder
Exploitation
Public or AI PoC available; prioritize validation
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 Elementor Website Builder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执行客户端代码。
Public Exploits 1
Nuclei · 1
CVE-2021-24891.yaml [template]
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-24891
Vulnerability Information
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Vulnerability Title
Elementor < 3.4.8 - DOM Cross-Site-Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Elementor Website Builder WordPress plugin before 3.4.8 does not sanitise or escape user input appended to the DOM via a malicious hash, resulting in a DOM Cross-Site Scripting issue.
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 Elementor Website Builder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 | Elementor Website Builder | 3.4.8 ~ 3.4.8 | - |
|
II. Public POCs for CVE-2021-24891
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | WordPress Elementor Website Builder plugin before 3.1.4 contains a DOM cross-site scripting vulnerability. It does not sanitize or escape user input appended to the DOM via a malicious hash. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24891.yaml | POC Details |
| 2 | None | https://github.com/hackmelocal/CVE-2021-24891-Simulation | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2021-24891 (1)
Other References for CVE-2021-24891 (1)
-
https://www.jbelamor.com/xss-elementor-lightox.html x_refsource_MISC
Same Patch Batch · Unknown · 2021-11-23 · 15 CVEs total
| CVE-2021-24641 | Images to WebP < 1.9 - Multiple Cross Site Request Forgery (CSRF) | |
| CVE-2021-24644 | Images to WebP < 1.9 - Authenticated Local File Inclusion | |
| CVE-2021-24668 | MAZ Loader < 1.4.1 - Arbitrary Loader Deletion via CSRF | |
| CVE-2021-24700 | Forminator < 1.15.4 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24703 | Download Plugin < 1.6.1 - Subscriber+ Arbitrary Plugin Activation | |
| CVE-2021-24729 | Logo Showcase with Slick Slider < 1.2.4 - Author+ Stored Cross Site Scripting | |
| CVE-2021-24812 | BetterLinks < 1.2.6 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24830 | Advanced Access Manager < 6.8.0 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24873 | Tutor LMS < 1.9.11 - Reflected Cross-Site Scripting | |
| CVE-2021-24875 | eCommerce Product Catalog for WordPress < 3.0.39 - Reflected Cross-Site Scripting | |
| CVE-2021-24877 | MainWP Child < 4.1.8 - Admin+ SQL Injection | |
| CVE-2021-24882 | Slideshow Gallery < 1.7.4 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24888 | ImageBoss < 3.0.6 - Admin+ Stored Cross-Site Scripting | |
| CVE-2021-24894 | Reviews Plus < 1.2.14 - Subscriber+ Reviews DoS |
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V. Comments for CVE-2021-24891
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