WordPress security changelog
CRITICAL CVE-2021-24493 Modified

shopp_upload_file AJAX action of the Shopp: A security weakness

shopp_upload_file AJAX action of the Shopp is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 9.8 CVSS · contact@wpscan.com
NVD score 9.8 CVSS 3.1 · nvd@nist.gov
Component
shopp_upload_file AJAX action of the Shopp
Plugin slug
shopp
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 13, 2021
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Sep 13, 2021 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update shopp_upload_file AJAX action of the Shopp 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 shopp_upload_file AJAX action of the Shopp WordPress plugin through 1.4, available to both unauthenticated and authenticated user does not have any security measure in place to prevent upload of malicious files, such as PHP, allowing unauthenticated users to upload arbitrary files and leading to RCE

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

Primary and upstream sources