CVE-2020-24186

Name: CVE-2020-24186
Creator: NVD / NIST
Published: 2020-08-24T14:15:12.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 94.62%

Last modified Jun 17, 2026

CVE-2020-24186 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 94.62% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

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

EPSS Probability

94.62%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Gvectors	Wpdiscuz	>= 7.0, <= 7.0.4

References

http://packetstormsecurity.com/files/162983/WordPress-wpDiscuz-7.0.4-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163012/WordPress-wpDiscuz-7.0.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163302/WordPress-wpDiscuz-7.0.4-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/blog/2020/07/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/162983/WordPress-wpDiscuz-7.0.4-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163012/WordPress-wpDiscuz-7.0.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/163302/WordPress-wpDiscuz-7.0.4-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://www.wordfence.com/blog/2020/07/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin/Exploit, Third Party Advisory

Timeline

Published: Aug 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24186?

How severe is CVE-2020-24186?

CVE-2020-24186 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 94.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24186?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24186?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST