CVE-2020-36706

Simple:Press – WordPress Forum Plugin <= 6.6.0 - Arbitrary File Upload

9.8 Critical

The Simple:Press – WordPress Forum Plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ~/admin/resources/jscript/ajaxupload/sf-uploader.php file in versions up to, and including, 6.6.0. This makes it possible for attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.17%Up 2.1 points since Oct 20, 2023

What each source reports

CVE List Score used 9.8

Simple:Press – WordPress Forum Plugin <= 6.6.0 - Arbitrary File Upload

Record: CVE-2020-36706
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

EUVDEUVD-2020-24148 9.8

Record: EUVD-2020-24148
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-fp5c-vf9m-6gv3 9.8

The Simple:Press – WordPress Forum Plugin for WordPress is vulnerable to arbitrary file uploads...

Record: GHSA-fp5c-vf9m-6gv3
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

NVD 9.8

Record: CVE-2020-36706
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-36706 is a critical vulnerability (CVSS 9.8) in Simple-press Simple\, published October 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. No source names a fixed version.