TI-2020-18877 Aliases CVE-2020-36706 GHSA-fp5c-vf9m-6gv3

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

MEDIUM 53CWE-434Published 2023-10-20 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.02174 82nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed Simple:Press Forum (simplepress): 6.6.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
simplepress	Simple:Press Forum	before 6.6.1	6.6.1	Patch available	CNA

Simple:Press Forum Vendorsimplepress Affected before 6.6.1 Fixed in 6.6.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:simple-press:simple\:press::::::wordpress::*	press	Vulnerable	Simple-press

cpe:2.3:a:simple-press:simple\:press:*:*:*:*:*:wordpress:*:* Versions press Vulnerable ·Simple-press

Remediation

Fix · CNA Simple:Press Forum (simplepress) Fixed in 6.6.1

Timeline

2026-10-02 Threatist record created from CVE-2020-36706
2026-10-03 Alias added: GHSA-fp5c-vf9m-6gv3

References

Exploit 1

https://blog.nintechnet.com/wordpress-simplepress-plugin-fixed-critical-vulnerabilities/

Advisory 3

TI-2024-09711 SimplePress Forum < 6.10.11 - Reflected XSS CVSS 3.1HIGH 7.1
TI-2022-03698 Simple:Press <= 6.8 - Authenticated (Subscriber+) Path Traversal to Arbitrary File Deletion CVSS 3.1HIGH 8.1
TI-2022-03695 Simple:Press <= 6.8 - Unauthenticated Stored Cross-Site Scripting via Forum Replies CVSS 3.1HIGH 7.2
TI-2025-22567 WordPress Simple:Press plugin <= 6.11.5 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3
TI-2022-03696 Simple:Press <= 6.8 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Profile Signatures CVSS 3.1MEDIUM 6.4
TI-2024-11513 Simple:Press Forum <= 6.10.11 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences