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CVE-2026-4929— Simple Hierarchical Select (Drupal 7) XSS in term-derived output

Quick assessment

Affected
Drupal Simple Hierarchical Select (shs)
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是Drupal社区的一套使用PHP语言开发的开源内容管理系统。 Drupal 7.x-1.0版本至7.x-1.10版本存在安全漏洞，该漏洞源于Simple Hierarchical Select中对术语派生文本的输出转义不当，可能导致跨站脚本攻击。

AI Predicted 5.4 Difficulty: Easy EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
Drupal Simple Hierarchical Select (shs) 7.x-1.0< 7.x-1.11 affected
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I. Basic Information for CVE-2026-4929

Vulnerability Information
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Vulnerability Title
Simple Hierarchical Select (Drupal 7) XSS in term-derived output
Source: CVE Program / CVE List V5
Vulnerability Description
Simple Hierarchical Select (SHS) for Drupal 7 contains cross-site scripting risk due to improper output escaping of term-derived text. Confirmed affected paths include field formatter output (shs_field_formatter_view) and term-tree child-term data generation (shs_term_get_children). Malicious taxonomy term names can be rendered unsafely depending on output context. This affects versions from 7.x-1.0 through (and including) 7.x-1.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Drupal 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Drupal是Drupal社区的一套使用PHP语言开发的开源内容管理系统。 Drupal 7.x-1.0版本至7.x-1.10版本存在安全漏洞，该漏洞源于Simple Hierarchical Select中对术语派生文本的输出转义不当，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 Simple Hierarchical Select (shs) 7.x-1.0 ~ 7.x-1.11 -

II. Public POCs for CVE-2026-4929

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III. Intelligence Information for CVE-2026-4929

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Vendor Advisories for CVE-2026-4929 (2)

IV. Related Vulnerabilities

Same vendor: Drupal

V. Comments for CVE-2026-4929

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