WP Super Edit: Code execution

WP Super Edit is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account. The published affected range is <= 2.5.4.

CVE / CNA score 9.3 CVSS 4.0 · disclosure@vulncheck.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: WP Super Edit
Plugin slug: wp-super-edit
Affected: <= 2.5.4
Safe version: See mitigation notes
Published: May 15, 2026
Weakness: CWE-434 — Unrestricted Upload of File with Dangerous Type

This CVE was published May 15, 2026 and is one of 2 known issues for this plugin.

What to do

Update, patch or deactivate.

No fixed release is identified. Update WP Super Edit when a release after 2.5.4 becomes available; until then, disable and remove it when the site's risk warrants.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical 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.

CVE / CNA vector: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

Primary and upstream sources

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