WordPress security changelog
CRITICAL CVE-2020-24186 Modified

Wpdiscuz: Code execution

Wpdiscuz is affected by code execution. The vulnerable path is reachable without authentication. Successful exploitation can run attacker-controlled code in the WordPress hosting account.

CVE / CNA score 10.0 CVSS 3.1 · cve@mitre.org
NVD score 10.0 CVSS 3.1 · nvd@nist.gov
Component
Wpdiscuz
Plugin slug
wpdiscuz
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Aug 24, 2020
Weakness
CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published Aug 24, 2020 and is one of 33 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Wpdiscuz 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.

Source record

Technical description

A Remote Code Execution vulnerability exists in the gVectors wpDiscuz plugin 7.0 through 7.0.4 for WordPress, which allows unauthenticated users to upload any type of file, including PHP files via the wmuUploadFiles AJAX action.

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

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

References

Primary and upstream sources