CVE-2021-47965

9.3 criticalEPSS 0.6%

Critical (9.3). EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

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

CVSS 3.1

9.8 critical

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2026-05-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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