Creator LMS: Dangerous file upload
An authenticated Contributor can reach an upload operation that permits arbitrary files. The export does not identify the upload endpoint, file field, permitted executable types or destination path. Server-side code execution would require an executable file to be placed where the server will run it; that complete chain is not disclosed. Affected versions: <= 1.2.21. The authoritative export identifies 1.2.22 as fixed for this CVE.
- Component
- Creator LMS
- Plugin slug
creatorlms- Affected
- n/a through 1.2.21
- Safe version
1.2.22- Published
- Oct 10, 2026
This CVE was published Oct 10, 2026 and is one of 6 known issues for this plugin.
Update, patch or deactivate.
Update to 1.2.22 or a later supported release. Application-level remediation: Authorize the upload or installation operation, allowlist permitted file types and destinations, and prevent executable uploads. For remote installers, accept only authenticated, trusted package sources.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Contributor Arbitrary File Upload in Creator LMS <= 1.2.21 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H