Smush Image Compression and Optimization: Filesystem traversal
Smush Image Compression and Optimization is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.
- Component
- Smush Image Compression and Optimization
- Plugin slug
wp-smushit- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Nov 06, 2025
This CVE was published Nov 06, 2025 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update Smush Image Compression and Optimization to a release outside the affected range, or disable and remove it until a fixed version is available.
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
Path Traversal: '.../...//' vulnerability in WPMU DEV - Your All-in-One WordPress Platform Smush Image Compression and Optimization wp-smushit allows Path Traversal.This issue affects Smush Image Compression and Optimization: from n/a through <= 3.17.0.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N