[IT-SecNots] [Security-news] Simple Klaro - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-071

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2025-071

Project: Simple Klaro [1]
Date: 2025-May-28
Security risk: *Moderately critical* 13 ∕ 25
AC:Complex/A:User/CI:Some/II:Some/E:Theoretical/TD:All [2]
Vulnerability: Cross Site Scripting

Affected versions: <1.10.0
CVE IDs: CVE-2025-48918
Description: 
The "Simple Klaro" module adds the "Klaro! A Simple Consent Manager" to your
website and allows you to configure it according to your needs in the Drupal
backend.

The module doesn't sufficiently mark its administrative permission as
restricted, creating the possibility for the permission to be granted too
broadly. A malicious admin could execute a Cross Site Scripting (XSS) attack.

This vulnerability is mitigated by the fact that an attacker must have a role
with the "administer simple klaro" permission.

Solution: 
Install the latest version:

 * If you use the "Simple Klaro" module for Drupal 9.x/10.x/11.x, upgrade to
   Simple Klaro 1.10.0 [3]

Reported By: 
 * Pierre Rudloff (prudloff) [4]

Fixed By: 
 * Norman Kämper-Leymann (norman.lol) [5]

Coordinated By: 
 * Juraj Nemec (poker10) [6] of the Drupal Security Team
 * Pierre Rudloff (prudloff) [7]
 * Cathy Theys (yesct) [8] of the Drupal Security Team


[1] https://www.drupal.org/project/simple_klaro
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/simple_klaro/releases/1.10.0
[4] https://www.drupal.org/u/prudloff
[5] https://www.drupal.org/u/normanlol
[6] https://www.drupal.org/u/poker10
[7] https://www.drupal.org/u/prudloff
[8] https://www.drupal.org/u/yesct

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