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CVE-2026-66570

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductWordPress File Upload
PublishedNov 1, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Nickboss WordPress File Uploadv ≤ 5.2.1—

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