Browser Back Button - Moderately critical - Cross site scripting - SA-CONTRIB-2024-072

Project: Browser Back ButtonDate: 2024-December-11Security risk: Moderately critical 13 ∕ 25 AC:Basic/A:Admin/CI:Some/II:Some/E:Theoretical/TD:AllVulnerability: Cross site scriptingAffected versions: >=1.0.0 <2.0.2Description: This module provides a block that renders a link providing the functionality of a browser's back button.
The module does not sufficiently escape text entered by an administrator, resulting in a cross scripting vulnerability.
This vulnerability is mitigated by the fact that an attacker must have a role with the permission "administer blocks".Solution: Install the latest version:

• If you use the Browser Back Button module for Drupal 9.x/10.x, upgrade to Browser Back Button 2.0.2

Reported By: 

• Patrick Fey

Fixed By: 

• Elavarasan R

Coordinated By: 

• Ivo Van Geertruyen of the Drupal Security Team