CVE-2026-108514
Received Received - Intake

Cross-Site Scripting in Drupal Core

Publication date: 2026-10-30

Last updated on: 2026-10-30

Assigner: Drupal.org

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 10.3.0 to 10.6.19, from 11.0.0 to 11.3.19, from 11.4.0 to 11.4.10, from 12.0.0-alpha1 to 12.0.0-beta2.

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Meta Information

Published
2026-10-30
Last Modified
2026-10-30
Generated
2026-10-30
AI Q&A
2026-10-30
EPSS Evaluated
N/A
NVD
CVE-2026-108514
EUVD
EUVD-2026-113554

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
Drupal Drupal core 10.3.0
Drupal Drupal core 11.0.0
Drupal Drupal core 11.4.0
Drupal Drupal core 12.0.0-alpha1

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a Cross-Site Scripting (XSS) vulnerability in Drupal core. It occurs due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages viewed by other users.

Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or perform actions on behalf of users. It may lead to unauthorized data access, malware distribution, or reputational damage if exploited.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR (data protection) and HIPAA (healthcare data privacy). Non-compliance may result in fines, legal penalties, and loss of trust.

Mitigation Strategies

Update Drupal core to a version outside the affected range (10.3.0 to 10.6.19, 11.0.0 to 11.3.19, 11.4.0 to 11.4.10, 12.0.0-alpha1 to 12.0.0-beta2). Remove or disable any third-party modules or themes that may be vulnerable.

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