CVE-2021-47965

CRITICAL EPSS 43.2%

Published May 15, 20261mo ago · Modified Jun 17, 20261w ago

9.3 CVSS 4.0

Critical

Published May 15, 2026 1mo ago

Last Modified Jun 17, 2026 1w ago

Description

WordPress Plugin WP Super Edit 2.5.4 and earlier contains an unrestricted file upload vulnerability in the FCKeditor component that allows attackers to upload dangerous file types without validation. Attackers can upload arbitrary files through the filemanager upload endpoint to achieve remote code execution and complete system compromise.

CVSS Details

Base Score

9.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

43.2% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

References 4

wordpress.org https://wordpress.org
wordpress.org https://wordpress.org/plugins/wp-super-edit/
exploit-db.com https://www.exploit-db.com/exploits/49839
vulncheck.com https://www.vulncheck.com/advisories/wordpress-plugin-wp-super-edit-unrestricted-file-upload

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.