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Klaro Cookie & Consent Management - Moderately critical - Cross-site Scripting - SA-CONTRIB-2025-080

Wed, 2025-06-25 11:41 — Anonymous (not verified)

Project: Klaro Cookie & Consent ManagementDate: 2025-June-25Security risk: Moderately critical 14 ∕ 25 AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:AllVulnerability: Cross-site ScriptingAffected versions: <3.0.7CVE IDs: CVE-2025-5682Description: Klaro Cookie & Consent Management module is used for consent management for cookies and external sources. It makes changes to the markup to enable or disable loading.
The module doesn't sufficiently sanitize some HTML attributes allowing persistent Cross-site Scripting (XSS) attacks.
This vulnerability is mitigated by the fact that an attacker must have a role with permission to enter HTML tags containing specific attributes.Solution: Install the latest version:

If you use the Klaro Cookie & Consent Management module for Drupal 10.x/11.x, upgrade to Klaro Cookie & Consent Management 3.0.7

Reported By:

Pierre Rudloff (prudloff) provisional member of the Drupal Security Team

Fixed By:

Jan Kellermann (jan kellermann)

Coordinated By:

Greg Knaddison (greggles) of the Drupal Security Team
Juraj Nemec (poker10) of the Drupal Security Team
Pierre Rudloff (prudloff) provisional member of the Drupal Security Team

Path to article https://www.drupal.org/sa-contrib-2025-080

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Klaro Cookie & Consent Management - Moderately critical - Cross-site Scripting - SA-CONTRIB-2025-080