WordPress security changelog
CRITICAL CVE-2022-4101 Modified

Images Optimize and Upload CF7: Filesystem traversal

Images Optimize and Upload CF7 is affected by filesystem traversal. The vulnerable path is reachable without authentication. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.

CVE / CNA score 9.1 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 9.1 CVSS 3.1 · nvd@nist.gov
Component
Images Optimize and Upload CF7
Plugin slug
images-optimize-and-upload-cf7
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 16, 2023
Weakness
Not assigned

This CVE was published Jan 16, 2023 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update Images Optimize and Upload CF7 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

The Images Optimize and Upload CF7 WordPress plugin through 2.1.4 does not validate the file to be deleted via an AJAX action available to unauthenticated users, which could allow them to delete arbitrary files on the server via path traversal attack.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Primary and upstream sources