Smart Cleaning permits Subscriber-level arbitrary file upload
Smart Cleaning <= 4.8.6 allows a Subscriber to upload an arbitrary file. Executable content could produce code execution where the undisclosed upload path and server configuration permit it; otherwise the primitive still places attacker-controlled content on the server.
- Component
- Smart Cleaning
- Plugin slug
smart-cleaning- Affected
- n/a through 4.8.6
- Safe version
- See mitigation notes
- Published
- Aug 20, 2026
This CVE was published Aug 20, 2026 and is one of 1 known issue for this theme.
Update, patch or deactivate.
No fixed release is identified for CVE-2026-74016. Update Smart Cleaning when a release newer than 4.8.6 is confirmed to fix this issue; until then, deactivate or remove the affected component when the site's risk warrants it. Review activity by the stated attacker class and investigate unexpected data access, state changes, files or sessions relevant to this vulnerability class.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
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
Subscriber Arbitrary File Upload in Smart Cleaning <= 4.8.6 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H