What’s Vulnerable › Vulnerabilities

CVE-2021-47965: WordPress Plugin WP Super Edit 2.5.4 Unrestricted File Upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-15 · updated 2026-06-17
• Weakness: CWE-434

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.

Affected products

• wp-super-edit WP Super Edit: through 2.5.4

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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