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.

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 th…

Vulnerability class: Unrestricted File Upload

EPSS: 0.003 (55.3th percentile) — read the EPSS interpretation.

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.

Affected products

Wp-super-edit Wp Super Edit — versions 2.5.4, 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

ExploitDB-49839 (exploit)
Official Product Homepage (product)
Product Reference (product)
VulnCheck Advisory: WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload (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.