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CVE-2026-55805— Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012

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.

网页生成过程中输入中和不当（“跨站脚本攻击”）漏洞：Drupal 核心中的存储型跨站脚本（XSS）漏洞。该问题影响以下 Drupal 核心版本：0.0.0 至 10.6.13、11.3.0 至 11.3.14、11.4.0 至 11.4.4，以及 0.0.0 至 11.0.、0.0.0 至 11.1.、0.0.0 至 11.2.*。

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I. Basic Information for CVE-2026-55805

Vulnerability Information
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Vulnerability Title
Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-012
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 Stored XSS. This issue affects Drupal core versions: from 0.0.0 to 10.6.13, from 11.3.0 to 11.3.14, from 11.4.0 to 11.4.4, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*, 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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Drupal Drupal core 0.0.0 ~ 10.6.13 -

II. Public POCs for CVE-2026-55805

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III. Intelligence Information for CVE-2026-55805

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Vendor Advisories for CVE-2026-55805 (1)

Same Patch Batch · Drupal · 2026-08-25 · 17 CVEs total

CVE-2026-15088 Development Environment - Critical - Unsupported - SA-CONTRIB-2026-089
CVE-2026-15917 Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-011
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 - Critical - Unsupported - SA-CONTRIB-2026-091
CVE-2026-18259 Token Content Access - Moderately critical - Access bypass - SA-CONTRIB-2026-090

IV. Related Vulnerabilities

Same product: Drupal core
Same vendor: Drupal
Same weakness: CWE-79

V. Comments for CVE-2026-55805

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