How to fix CVE-2025-9940?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is PHP affected by CVE-2025-9940?

Organizations using A vulnerability should be aware of moderate risk from CVE-2025-9940, a cross-site scripting vulnerability rated CVSS 5.1. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-9940

MEDIUM

2025-09-04 [email protected]

5.1

CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:10 vuln.today

PoC Detected

Sep 04, 2025 - 17:52 vuln.today

Public exploit code

CVE Published

Sep 04, 2025 - 10:42 nvd

MEDIUM 5.1

Description

A vulnerability was detected in CodeAstro Real Estate Management System 1.0. This affects an unknown function of the file /feature.php. Performing manipulation of the argument msg results in cross site scripting. The attack can be initiated remotely. The exploit is now public and may be used.

Analysis

A vulnerability was detected in CodeAstro Real Estate Management System 1.0. Rated medium severity (CVSS 5.1), 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 vulnerability was detected in CodeAstro Real Estate Management System 1.0. This affects an unknown function of the file /feature.php. Performing manipulation of the argument msg results in cross site scripting. The attack can be initiated remotely. The exploit is now public and may be used. Affected products include: Codeastro Real Estate Management System.

Affected Products

Codeastro Real Estate 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: +26

POC: +20

CVE-2025-9940 vulnerability details – vuln.today

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CVE-2025-9940

CVSS Vector

Lifecycle Timeline

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Analysis

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CVE-2025-9940

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code