CVE-2026-66570

WordPress WordPress File Upload plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerability

Published Nov 1, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Update the WordPress WordPress File Upload plugin to the latest available version (at least 5.2.2).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nickboss
Nickboss wordpress File Upload
Wordpress-extensions
Wordpress-extensions wordpress File Upload
Vendors & Products Nickboss
Nickboss wordpress File Upload
Wordpress-extensions
Wordpress-extensions wordpress File Upload
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title WordPress WordPress File Upload plugin <= 5.2.1 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Nov 1, 2026, 5:37 PM
Reserved
Jul 27, 2026, 1:59 PM
Status
Deferred
Published
Nov 1, 2026, 4:18 PM
Modified
Nov 2, 2026, 4:19 PM