CVE-2025-3902— Block Class - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-043
Quick assessment
Affected
Drupal Block Class
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.
Drupal Block Class是Drupal社区的一个Drupal内容管理系统中的模块插件。 Drupal Block Class 4.0.1之前版本存在安全漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-3902
Vulnerability Information
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Vulnerability Title
Block Class - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-043
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Block Class allows Cross-Site Scripting (XSS).This issue affects Block Class: from 4.0.0 before 4.0.1.
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
Drupal Block Class 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal Block Class是Drupal社区的一个Drupal内容管理系统中的模块插件。 Drupal Block Class 4.0.1之前版本存在安全漏洞，该漏洞源于输入中和不当，可能导致跨站脚本攻击。
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 |
|---|---|---|---|---|
| Drupal | Block Class | 4.0.0 ~ 4.0.1 | - |
|
II. Public POCs for CVE-2025-3902
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-3902 (1)
Same Patch Batch · Drupal · 2025-04-23 · 6 CVEs total
| CVE-2025-3907 | Search API Solr - Moderately critical - Cross Site Request Forgery - SA-CONTRIB-2025-046 | |
| CVE-2025-3904 | Sportsleague - Critical - Unsupported - SA-CONTRIB-2025-045 | |
| CVE-2025-3903 | UEditor - 百度编辑器 - Critical - Unsupported - SA-CONTRIB-2025-044 | |
| CVE-2025-3901 | Bootstrap Site Alert - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-042 | |
| CVE-2025-3900 | Colorbox - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-041 |
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V. Comments for CVE-2025-3902
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