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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
wp-super-edit WP Super Edit affected
Version Status Constraints
2.5.4 affected —

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://wordpress.org cve-icon cve-icon
https://wordpress.org/plugins/wp-super-edit/ cve-icon cve-icon
https://www.exploit-db.com/exploits/49839 cve-icon cve-icon
https://www.vulncheck.com/advisories/wordpress-plugin-wp-super-edit-unrestricted-file-upload cve-icon cve-icon
History

Fri, 15 May 2026 19:00:00 +0000

Type Values Removed Values Added
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.
Title WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-15T18:36:31.362Z

Reserved: 2026-05-15T16:35:45.714Z

Link: CVE-2021-47965

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-15T19:16:56.163

Modified: 2026-05-15T19:16:56.163

Link: CVE-2021-47965

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses