Project machine name: 
block_attributes
Date: 
2026-October-21
Vulnerability: 
Cross site Scripting
Affected versions: 
<2.1.0
CVE IDs: 
CVE-2026-114534
Description: 

This module allows you to define custom attributes for a block. You can specify an attribute name to be added to the block in a predefined format.

The module does not sufficiently sanitize attributes against cross site scripting.

This issue is mitigated by the fact that the attacker must have the administer blocks permission.

Solution: 

Install the latest version:

Coordinated By: