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CVE-2021-24513— Form Builder < 1.9.8.4 - Authenticated Stored Cross-Site Scripting

Quick assessment

Affected
Unknown Form Builder | Create Responsive Contact Forms
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是WordPress开源的一个应用插件。 Wordpress Plugin Form Builder 中存在跨站脚本漏洞，该漏洞源于产品中的联系人表单未对标题的输入进行有效验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Wordpress Plugin Form Builder 1.9.8.4 之前版本。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2021-24513

Vulnerability Information
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Vulnerability Title
Form Builder < 1.9.8.4 - Authenticated Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Form Builder | Create Responsive Contact Forms WordPress plugin before 1.9.8.4 does not sanitise or escape its Form Title, allowing high privilege users such as admin to set Cross-Site Scripting payload in them, even when the unfiltered_html capability is disallowed
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 Plugin Form Builder 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是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是WordPress开源的一个应用插件。 Wordpress Plugin Form Builder 中存在跨站脚本漏洞，该漏洞源于产品中的联系人表单未对标题的输入进行有效验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Wordpress Plugin Form Builder 1.9.8.4 之前版本。
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 Form Builder | Create Responsive Contact Forms 1.9.8.4 ~ 1.9.8.4 -

II. Public POCs for CVE-2021-24513

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III. Intelligence Information for CVE-2021-24513

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Vendor Advisories for CVE-2021-24513 (1)

Same Patch Batch · Unknown · 2021-09-06 · 18 CVEs total

CVE-2021-24517 Stop Spammers Security < 2021.18 - Authenticated Stored XSS
CVE-2021-24303 JiangQie Official Website Mini Program < 1.1.1 - Authenticated SQL Injection
CVE-2021-24390 Alipay <= 3.7.2 - Authenticated SQL Injection
CVE-2021-24391 Cashtomer <= 1.0.0 - Authenticated SQL Injection
CVE-2021-24392 WordPress Membership SwiftCloud.io <= 1.0 - Authenticated SQL Injection
CVE-2021-24394 Easy Testimonial Manager <= 1.2.0 - Authenticated SQL Injection
CVE-2021-24393 Comment Highlighter <= 0.13 - Authenticated SQL Injection
CVE-2021-24395 Embed Youtube Video <= 1.0 - Authenticated SQL Injection
CVE-2021-24435 Titan Framework <= 1.12.1 - Reflected Cross-Site Scripting (XSS)
CVE-2021-24611 Keywords & Meta <= 3.0 - CSRF to Stored Cross-Site Scripting (XSS)
CVE-2021-24568 AddToAny < 1.7.46 - Authenticated Stored XSS
CVE-2021-24588 SMS Alert Order Notifications – WooCommerce < 3.4.7 Authenticated Cross Site Scripting
CVE-2021-24590 Cookie Notice & Consent Banner for GDPR & CCPA Compliance < 1.7.2 - Authenticated Stored X
CVE-2021-24591 Highlight < 0.9.3 - Authenticated Stored Cross-Site Scripting
CVE-2021-24599 Email Encoder < 2.1.2 - Reflected Cross Site Scripting
CVE-2021-24601 WPFront Notification Bar < 2.1.0.08087 - Authenticated Stored XSS
CVE-2021-24603 Site Reviews < 5.13.1 - Authenticated Stored XSS

IV. Related Vulnerabilities

Same product: Form Builder | Create Responsive Contact Forms
Same vendor: Unknown
Same weakness: CWE-79

V. Comments for CVE-2021-24513

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