Is CVE-2026-66570 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-66570?

CVE-2026-66570 has a CVSS v3 severity of HIGH (7.1).

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CVE-2026-66570

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Nickboss WordPress File Upload wp-file-upload allows Stored XSS.This issue affects WordPress File Upload: from n/a through 5.2.1.