[IT-SecNots] [Security-news] CSS Usage Analyzer - Moderately critical - Improper access control - SA-CONTRIB-2026-189

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2026-189

Project: CSS Usage Analyzer [1]
Project machine name: css_usage_analyzer
Date: 2026-September-23
Security risk: *Moderately critical* 13 ∕ 25
AC:Basic/A:None/CI:None/II:Some/E:Theoretical/TD:All [2]
Vulnerability: Improper access control

Affected versions: >=1.0.0 <1.0.2
CVE IDs: CVE-2026-96380
Description: 
This module lets a frontend scanner post CSS-usage measurements to the site
so admin reports can show real-page statistics.

This module doesn't sufficiently protect the /css-usage-analyzer/save
endpoint against forged or repeated submissions.

Solution: 
Install the latest version:

 * Upgrade to CSS Usage Analyzer 1.0.2 [3].

Reported By: 
 * Marcus Johansson (marcus_johansson) [4]

Fixed By: 
 * Greg Knaddison (greggles) [5] of the Drupal Security Team
 * Marcus Johansson (marcus_johansson) [6]
 * Zeeshaan khann (zeeshan_khan) [7]

Coordinated By: 
 * Swan Kalata (akalata) [8] of the Drupal Security Team
 * Juraj Nemec (poker10) [9] of the Drupal Security Team
 * Jess  (xjm) [10] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [11]

[1] https://www.drupal.org/project/css_usage_analyzer
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/css_usage_analyzer/releases/1.0.2
[4] https://www.drupal.org/u/marcus_johansson
[5] https://www.drupal.org/u/greggles
[6] https://www.drupal.org/u/marcus_johansson
[7] https://www.drupal.org/u/zeeshan_khan
[8] https://www.drupal.org/u/akalata
[9] https://www.drupal.org/u/poker10
[10] https://www.drupal.org/u/xjm
[11]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3622542

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