CVE-2026-66570

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

State: Published
Severity: 7.1 High
Published: Nov 1, 2026
Updated: Nov 1, 2026
Reserved: Jul 27, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L	Patchstack

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
WordPress File UploadNickboss	5.2.1 and earlierAffectedfrom 5.2.2Not affected

References

https://patchstack.com/database/wordpress/plugin/wp-file-upload/vulnerability/wordpress-wordpress-file-upload-plugin-5-2-1-cross-site-scripting-xss-vulnerability?_s_id=cvevdb-entry

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