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CVE-2026-123460— WordPress WordPress File Upload plugin <= 5.2.2 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
Nickboss WordPress File Upload
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nickboss 开发的 WordPress 插件"File Upload"（wp-file-upload）存在“网页生成过程中输入未正确中和”的漏洞（即跨站脚本攻击，XSS），可导致存储型跨站脚本攻击（Stored XSS）。该问题影响 WordPress File Upload 插件从未知版本至 5.2.2 版本。

CVSS 7.1 · High
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I. Basic Information for CVE-2026-123460

Vulnerability Information
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Vulnerability Title
WordPress WordPress File Upload plugin <= 5.2.2 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability 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 5.2.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nickboss WordPress File Upload 0 ~ 5.2.2 -

II. Public POCs for CVE-2026-123460

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III. Intelligence Information for CVE-2026-123460

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Other References for CVE-2026-123460 (1)

IV. Related Vulnerabilities

Same product: WordPress File Upload
Same vendor: Nickboss
Same weakness: CWE-79