Arbitrary file upload in Wp-Super-Edit Wp Super Edit
CVE-2021-47965
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.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Wp-Super-Edit Wp Super Edit — versions 2.5.4, 0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49839 (exploit)
- wordpress.org (product)
- wordpress.org/plugins/wp-super-edit/ (product)
- www.vulncheck.com/advisories/wordpress-plugin-wp-super-edit-unrestricted-file-u… (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47965?
- CVE-2021-47965 is a critical-severity vulnerability in Wp-Super-Edit Wp Super Edit, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-05-15.
- How severe is CVE-2021-47965?
- Critical severity. CVSS v3 base score is 9.8 out of 10.