CVE-2021-47965

WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload

CVSS 9.3 CRITICALEPSS 0.6%CWE-434

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 0.6%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

15 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

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

Affected products

wp-super-edit · WP Super Edit

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/49839unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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