Comments - wpDiscuz 7.0 - 7.0.4 - Unauthenticated Arbitrary File Upload leading to Remote Code Execution

2021-06-06 00:00

Chloe Chamberland

Strategic Overview

Status

Patched in 7.0.5

Affected PluginComments – wpDiscuz

Affected Version7.0 – 7.0.4

CVSS9.8Critical

CVECVE-2020-24186

View all Comments – wpDiscuz vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 7.0.5, or a newer patched version --- IDENTIFIER: CWE-434 (Unrestricted Upload of File with Dangerous Type) The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

External References

https://www.cve.org/CVERecord?id=CVE-2020-24186 https://www.wordfence.com/threat-intel/vulnerabilities/id/bc3efc42-7cf5-4dcd-9653-891deaae19c3

CVSS Vector

9.8

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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