WordPress security changelog
CRITICAL CVE-2023-4521 Modified

Import XML and RSS Feeds: A security weakness

Import XML and RSS Feeds 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 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 9.8 CVSS 3.1 · nvd@nist.gov
Component
Import XML and RSS Feeds
Plugin slug
import-xml-and-rss-feeds
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Sep 25, 2023
Weakness
Not assigned

This CVE was published Sep 25, 2023 and is one of 2 known issues for this plugin.

Update, patch or deactivate.

Update Import XML and RSS Feeds 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 Import XML and RSS Feeds WordPress plugin before 2.1.5 contains a web shell, allowing unauthenticated attackers to perform RCE. The plugin/vendor was not compromised and the files are the result of running a PoC for a previously reported issue (https://wpscan.com/vulnerability/d4220025-2272-4d5f-9703-4b2ac4a51c42) and not deleting the created files when releasing the new version.

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

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