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CVE-2026-25467— WordPress User Registration plugin <= 5.3.0 - Content Injection vulnerability

Quick assessment

Affected
ThemeGrill User Registration
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.

ThemeGrill User Registration 插件中的"user-registration"组件存在网页脚本相关 HTML 标签未正确中和（基础型跨站脚本，XSS）漏洞，可导致代码注入。该问题影响 User Registration 插件从未知版本至 5.3.0 的所有版本。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2026-25467

Vulnerability Information
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Vulnerability Title
WordPress User Registration plugin <= 5.3.0 - Content Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in ThemeGrill User Registration user-registration allows Code Injection.This issue affects User Registration: from n/a through 5.3.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ThemeGrill User Registration 0 ~ 5.3.0 -

II. Public POCs for CVE-2026-25467

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III. Intelligence Information for CVE-2026-25467

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Vendor Advisories for CVE-2026-25467 (1)

IV. Related Vulnerabilities

Same product: User Registration
Same vendor: ThemeGrill
Same weakness: CWE-80