[IT-SecNots] [Security-news] Monster Menus - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-116

[security-news AT drupal.org]

View online: https://www.drupal.org/sa-contrib-2026-116

Project: Monster Menus [1]
Date: 2026-August-26
Security risk: *Moderately critical* 13 ∕ 25
AC:Basic/A:User/CI:Some/II:Some/E:Theoretical/TD:Default [2]
Vulnerability: Cross-site Scripting

Affected versions: <9.5.3
CVE IDs: CVE-2026-81201
Description: 
This module enables you to create one or more multisites with highly granular
page permissions.

The module doesn't sufficiently sanitize HTML code contained in the page name
when displayed in the built-in tree browser. This results in a cross-site
scripting vulnerability that may allow attackers to execute arbitrary
JavaScript in the context of the user’s session.

This vulnerability is mitigated by the fact that an attacker must have the
ability to create pages whose page title supports HTML.

Solution: 
Install the latest version:

 * If you use the Monster Menus module, upgrade to monster_menus 9.5.3 [3].

Reported By: 
 * Dan Wilga (gribnif) [4]

Fixed By: 
 * Dan Wilga (gribnif) [5]

Coordinated By: 
 * Greg Knaddison (greggles) [6] of the Drupal Security Team
 * Juraj Nemec (poker10) [7] of the Drupal Security Team
 * Jess  (xjm) [8] of the Drupal Security Team

------------------------------------------------------------------------------
Contribution record [9]

[1] https://www.drupal.org/project/monster_menus
[2] https://www.drupal.org/security-team/risk-levels
[3] https://www.drupal.org/project/monster_menus/releases/9.5.3
[4] https://www.drupal.org/u/gribnif
[5] https://www.drupal.org/u/gribnif
[6] https://www.drupal.org/u/greggles
[7] https://www.drupal.org/u/poker10
[8] https://www.drupal.org/u/xjm
[9]  
https://new.drupal.org/contribution-record?source_link=https%3A//www.drupal.org/node/3589913

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