CVE-2021-47965 | THREATINT

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.

PUBLISHED Reserved 2026-05-15 | Published 2026-05-15 | Updated 2026-05-15 | Assigner VulnCheck

CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Unrestricted Upload of File with Dangerous Type

Product status

2.5.4

affected

Credits

h4shur finder

References

www.exploit-db.com/exploits/49839 (ExploitDB-49839) exploit

wordpress.org (Official Product Homepage) product

wordpress.org/plugins/wp-super-edit/ (Product Reference) product

www.vulncheck.com/...-wp-super-edit-unrestricted-file-upload (VulnCheck Advisory: WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload) third-party-advisory

cve.org (CVE-2021-47965)

nvd.nist.gov (CVE-2021-47965)

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