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EUVD-2026-351522

2026-10-06T11:27:51.447717+00:00

EUVD-2026-351522

fkie_cve-2026-47227

2026-10-06T11:27:51.447757+00:00

Admidio is an open-source user management solution. `modules/categories.php` checks that the supplied `type` parameter (`ANN`, `EVT`, `ROL`, `USF`, …) corresponds to a module the actor administers. The follow-up "is this specific category editable by me" check at lines 56-61 is dead code because it compares `$getType` (a category-type code) against mode names (`edit`/`save`/`delete`); the condition is permanently false, so `$category->isEditable()` is never invoked. Prior to version 5.0.10, the `delete`, `sequence`, and `save` switch cases load the category by the supplied UUID and act on it without re-checking that the category belongs to a module the actor administers. A user holding only one module-administrator right can therefore destroy or reorder empty categories belonging to *other* modules — for example, an announcements administrator can delete role categories, profile-field categories, or weblink categories that they have no right to touch. Version 5.0.10 fixes the issue.

GHSA-rwjr-qjj3-mq2f — Admidio module-administrator can delete or reorder categories owned by other modules via dead authorization check in `m…

2026-10-06T11:27:51.447803+00:00

Affected: Packagist: admidio/admidio

## Summary

`modules/categories.php` checks that the supplied `type` parameter (`ANN`, `EVT`, `ROL`, `USF`, …) corresponds to a module the actor administers. The follow-up "is this specific category editable by me" check at lines 56-61 is dead code because it compares `$getType` (a category-type code) against mode names (`edit`/`save`/`delete`); the condition is permanently false, so `$category->isEditable()` is never invoked. The `delete`, `sequence`, and `save` switch cases load the category by the supplied UUID and act on it without re-checking that the category belongs to a module the actor administers. A user holding only one module-administrator right can therefore destroy or reorder empty categories belonging to *other* modules — for example, an announcements administrator can delete role categories, profile-field categories, or weblink categories that they have no right to touch.

## Details

### vulnerable code

`modules/categories.php:40-61`:

```php $getMode = admFuncVariableIsValid($_GET, 'mode', 'string', array('defaultValue' => 'list', 'validValues' => array('list', 'edit', 'save', 'delete', 'sequence'))); $getType = admFuncVariableIsValid($_GET, 'type', 'string', array('validValues' => array('ANN','AWA','EVT','FOT','LNK','ROL','USF','IVT'))); $getCategoryUUID = admFuncVariableIsValid($_GET, 'uuid', 'uuid');

// ch…