Description
Orchard CMS 1.10.3 through 1.11 contains an improper authorization vulnerability in MediaLibraryService.CheckMediaFolderPermission() that allows authenticated Authors and Contributors to access other users' media. Attackers can display, clone, and delete other users' media items by content id and delete arbitrary media folders via FolderController.Delete().
Metrics
CVSS 3.1 7.1/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| OrchardCMS | Orchard | >= 1.10.3, <= 1.11 |
References
- https://github.com/OrchardCMS/Orchard
- https://github.com/OrchardCMS/Orchard/blob/1.11/src/Orchard.Web/Modules/Orchard.MediaLibrary/Services/IMediaLibraryService.cs#L169-L177
- https://github.com/OrchardCMS/Orchard/blob/1.11/src/Orchard.Web/Modules/Orchard.MediaLibrary/Services/MediaLibraryService.cs#L281-L302
- https://github.com/OrchardCMS/Orchard/issues/8895
- https://hackmd.io/@hieuPenguinnn/orchard-media-library-cross-user-broken-access-control
- https://www.vulncheck.com/advisories/orchard-cms-1.10.3-through-1.11-improper-authorization-via-media-library-folder-permission-check
Timeline
- Published
- Oct 30, 2026
- Last modified
- Oct 30, 2026
- NVD status
- Deferred