How to fix CVE-2025-63442?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Verify Content-Security-Policy and output encoding.

Is Simple User Management System affected by CVE-2025-63442?

Organizations using Simple User Management System with PHP-MySQL v1.0 should be aware of moderate risk from CVE-2025-63442, a cross-site scripting vulnerability rated CVSS 4.6. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

CVE-2025-63442

MEDIUM

2025-11-03 [email protected]

XSS Simple User Management System

4.6

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

PoC Detected

Nov 05, 2025 - 18:18 vuln.today

Public exploit code

CVE Published

Nov 03, 2025 - 15:15 nvd

MEDIUM 4.6

DescriptionNVD

Simple User Management System with PHP-MySQL v1.0 is vulnerable to Cross-Site Scripting (XSS) via the Profile Section. The system fails to properly sanitize user input, allowing attackers to inject and execute arbitrary JavaScript when the input is displayed in the browser

AnalysisAI

Simple User Management System with PHP-MySQL v1.0 is vulnerable to Cross-Site Scripting (XSS) via the Profile Section. Rated medium severity (CVSS 4.6), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Simple User Management System with PHP-MySQL v1.0 is vulnerable to Cross-Site Scripting (XSS) via the Profile Section. The system fails to properly sanitize user input, allowing attackers to inject and execute arbitrary JavaScript when the input is displayed in the browser Affected products include: Nababur Simple-User-Management-System.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-63442 vulnerability details – vuln.today

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