CVE-2026-15917— Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011
Quick assessment
Affected
Drupal Drupal core
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 core是Drupal组织的一款内容管理系统。 Drupal core 11.3.0版本至11.3.14版本、11.4.0版本至11.4.4版本和11.2.*之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，可能导致跨站脚本攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by CompromiseAffected Version Matrix 3
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Drupal | Drupal core | 11.3.0< 11.3.14 |
affected |
11.4.0< 11.4.4 |
affected | ||
0.0.0< 11.2.* |
affected |
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I. Basic Information for CVE-2026-15917
Vulnerability Information
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Vulnerability Title
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.2.*.
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 core 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal core是Drupal组织的一款内容管理系统。 Drupal core 11.3.0版本至11.3.14版本、11.4.0版本至11.4.4版本和11.2.*之前版本存在跨站脚本漏洞，该漏洞源于网页生成过程中输入中和不当，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 | Drupal core | 11.3.0 ~ 11.3.14 | - |
|
II. Public POCs for CVE-2026-15917
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-15917 (1)
Same Patch Batch · Drupal · 2026-08-25 · 17 CVEs total
| CVE-2026-15088 | Development Environment - Critical - Unsupported - SA-CONTRIB-2026-089 | |
| CVE-2026-15916 | Drupal core - Moderately critical - Information disclosure - SA-CORE-2026-010 | |
| CVE-2026-16641 | Commerce Elavon - Critical - Unsupported - SA-CONTRIB-2026-084 | |
| CVE-2026-16643 | Lunr exposed filters - Critical - Unsupported - SA-CONTRIB-2026-086 | |
| CVE-2026-16640 | Search API Autocomplete - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-082 | |
| CVE-2026-16646 | PanKM - Critical - Unsupported - SA-CONTRIB-2026-083 | |
| CVE-2026-16645 | PhotoSwipe - Responsive JavaScript Modal Image Gallery - Moderately critical - Access bypa | |
| CVE-2026-16644 | Webform REST - Moderately critical - Access bypass - SA-CONTRIB-2026-087 | |
| CVE-2026-16638 | Media Folders - Moderately critical - Cross site scripting - SA-CONTRIB-2026-080 | |
| CVE-2026-16639 | Internationalization Single Sign-On - Critical - Access bypass - SA-CONTRIB-2026-081 | |
| CVE-2026-16642 | Email Login OTP - Critical - Unsupported - SA-CONTRIB-2026-085 | |
| CVE-2026-18261 | Powerful Surveys - Critical - Unsupported - SA-CONTRIB-2026-092 | |
| CVE-2026-18985 | Edit in-place field - Moderately critical - Access bypass - SA-CONTRIB-2026-093 | |
| CVE-2026-18260 | Disable Login Page - Moderately critical - Access bypass - SA-CONTRIB-2026-110 | |
| CVE-2026-18259 | Token Content Access - Moderately critical - Access bypass - SA-CONTRIB-2026-090 | |
| CVE-2026-55805 | Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012 |
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V. Comments for CVE-2026-15917
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