How to fix CVE-2025-28016?

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

Is PHP affected by CVE-2025-28016?

Organizations using and User Management System should be aware of moderate risk from CVE-2025-28016, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-28016

MEDIUM

2025-09-30 [email protected]

4.8

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:15 vuln.today

PoC Detected

Oct 07, 2025 - 13:42 vuln.today

Public exploit code

CVE Published

Sep 30, 2025 - 15:15 nvd

MEDIUM 4.8

Description

A Reflected Cross-Site Scripting (XSS) vulnerability was found in loginsystem/edit-profile.php of the PHPGurukul User Registration & Login and User Management System V3.3. This vulnerability allows remote attackers to execute arbitrary JavaScript code via the fname, lname, and contact parameters.

Analysis

A Reflected Cross-Site Scripting (XSS) vulnerability was found in loginsystem/edit-profile.php of the PHPGurukul User Registration & Login and User Management System V3.3. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

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. A Reflected Cross-Site Scripting (XSS) vulnerability was found in loginsystem/edit-profile.php of the PHPGurukul User Registration & Login and User Management System V3.3. This vulnerability allows remote attackers to execute arbitrary JavaScript code via the fname, lname, and contact parameters. Affected products include: Phpgurukul User Registration \& Login And User Management System.

Affected Products

Phpgurukul User Registration \& Login And User Management System.

Remediation

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.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.0

CVSS: +24

POC: +20

CVE-2025-28016 vulnerability details – vuln.today

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CVE-2025-28016

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2025-28016

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

Share

External POC / Exploit Code