CVE-2026-114534
Received Received - Intake

Stored XSS in Drupal Block Attributes

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 Block Attributes allows Stored XSS. This issue affects Block Attributes versions: from 0.0.0 to 2.1.0.

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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-2026-114534
EUVD
EUVD-2026-113540

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Drupal Block Attributes 0.0.0

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 Stored Cross-site Scripting (XSS) vulnerability in the Drupal Block Attributes module. It allows attackers to inject malicious scripts into web pages by exploiting improper input neutralization during page generation. The flaw exists in versions 0.0.0 to 2.1.0 of the module.

Impact Analysis

An attacker could exploit this to steal user sessions, deface websites, or deliver malware to visitors. Users with access to edit block attributes could inject scripts that run when other users view those blocks.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements or HIPAA's security rules. It may result in non-compliance if exploited to access or expose sensitive user data.

Mitigation Strategies

Update Drupal Block Attributes to the latest version beyond 2.1.0 to address the Stored XSS vulnerability. Remove or disable the module if updates are unavailable.

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