Drupal security updates, in plain English · Module

Simple User Management

631 sites report using it · on drupal.org · 1 security update explained here

This module lets non administrators approve or deactivate and delete users.

Below is every security update for Simple User Management that this site has covered, newest first. Each one says who could exploit it, whether it applies to your site, how urgent it is, and what to tell your developer. If your site uses this module and you are not sure which version, that is the first question to ask whoever looks after it.

Simple User Management

Moderately critical · 631 sites report using it · SA-CONTRIB-2026-239 · on drupal.org · Week of 21 October 2026

The module does not sufficiently check role delegation when approving users and offers an activate link for blocked administrators. An ordinary account on the site could view restricted user details and alter or add new user accounts.

  • Who could do thisOnly someone with a login on your site.
  • Does it apply to youAn attacker must have a role with one of the module's additional action access rights.
  • Has it been used in attacksNo sign of it.
  • How urgentDrupal rates this moderately critical. Include it in your next routine update, within the month.

Tell your developerUpdate Simple User Management to 8.x-1.11.

For developers: what the fix changed

The fix introduces a RoleDelegationAccess service in src/RoleDelegationAccess.php to centralise role delegation checks and protect user 1. It updates simple_user_management_entity_operation_alter in simple_user_management.module and the user management forms to use this service, ensuring proper access checks for approving, deactivating, and deleting users.

Also in this release The release also adds extensive test coverage and a test module.

8.x-1.10 to 8.x-1.11 2 commits, 13 files including 5 tests.

  • simple_user_management.module +10 −16 fix
  • simple_user_management.permissions.yml +1 −1
  • simple_user_management.services.yml +3 −0 fix
  • src/Form/UserApprovalForm.php +36 −3 fix
  • src/Form/UserChangePasswordForm.php +6 −8 fix
  • src/Form/UserDeactivateForm.php +6 −15 fix
  • src/Form/UserDeleteForm.php +9 −14 fix
  • src/RoleDelegationAccess.php +63 −0 fix

Full diff, 8.x-1.10 to 8.x-1.11

The comparison is against the release immediately before the fix. If your site is on an older release, more will have changed.

Not sure what your site is running?

Send me your Drupal site's address.

I'll tell you what I can see from outside, what the Drupal 10 end of life on 9 December means for it, and what it would cost to have me keep it patched. There's no charge for that and no obligation. peter@peterbrady.co.uk


Get in touch

Tell me who you are, what your organisation does, and what you need. That might be a Drupal site that needs looking after, an upgrade to get done before December, or an agency that needs Drupal cover.

If I can help, I'll say so and suggest a call. If I can't, I'll tell you straight away rather than waste your time.

peter@peterbrady.co.uk

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Or start smaller and connect with me on LinkedIn. That's where I post what I find digging around in charity and grants data, and where the free tools turn up first.