View online: https://www.drupal.org/sa-contrib-2023-010 Project: Media Responsive Thumbnail [1] Date: 2023-March-15 Security risk: *Moderately critical* 14∕25 AC:None/A:None/CI:Some/II:None/E:Theoretical/TD:Default [2] Vulnerability: Information disclosure Description:  The Media Responsive Thumbnail module allows media reference fields to be rendered as a responsive image. This module does not properly check entity access prior to rendering media. This may result in users seeing thumbnails of media items they do not have access to. This release was coordinated with SA-CORE-2023-002 [3]. Solution:  Install the latest version: * If you use the Media Responsive Thumbnail module, upgrade to Media Responsive Thumbnail 8.x-1.5 [4] Reported By:  * Dan Flanagan [5] Fixed By:  * Ivan Vidusenko [6] * Benji Fisher [7] of the Drupal Security Team Coordinated By:  * Benji Fisher [8] of the Drupal Security Team * Lee Rowlands [9] of the Drupal Security Team * Joseph Zhao [10] Provisional Member of the Drupal Security Team * Greg Knaddison [11] of the Drupal Security Team * Dave Long [12] of the Drupal Security Team [1] https://www.drupal.org/project/media_responsive_thumbnail [2] https://www.drupal.org/security-team/risk-levels [3] https://www.drupal.org/sa-core-2023-002 [4] https://www.drupal.org/project/media_responsive_thumbnail/releases/8.x-1.5 [5] https://www.drupal.org/user/3615359 [6] https://www.drupal.org/user/2989799 [7] https://www.drupal.org/user/683300 [8] https://www.drupal.org/user/683300 [9] https://www.drupal.org/user/395439 [10] https://www.drupal.org/user/1987218 [11] https://www.drupal.org/user/36762 [12] https://www.drupal.org/user/246492