How to fix CVE-2025-3390?

Within 30 days: Identify affected systems running hailey888 oa_system and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Java affected by CVE-2025-3390?

Organizations using hailey888 oa_system should be aware of moderate risk from CVE-2025-3390, 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-2025-3390

MEDIUM

2025-04-08 [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:X/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 - 18:35 vuln.today

PoC Detected

May 07, 2025 - 17:21 vuln.today

Public exploit code

CVE Published

Apr 08, 2025 - 00:15 nvd

MEDIUM 5.1

Description

A vulnerability, which was classified as problematic, was found in hailey888 oa_system up to 2025.01.01. Affected is the function addandchangeday of the file cn/gson/oass/controller/daymanager/DaymanageController.java of the component Backend. The manipulation of the argument scheduleList leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available.

Analysis

A vulnerability, which was classified as problematic, was found in hailey888 oa_system up to 2025.01.01. 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, which was classified as problematic, was found in hailey888 oa_system up to 2025.01.01. Affected is the function addandchangeday of the file cn/gson/oass/controller/daymanager/DaymanageController.java of the component Backend. The manipulation of the argument scheduleList leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. Affected products include: Hailey888 Oa System. Version information: up to 2025.01.01..

Affected Products

Hailey888 Oa 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: +0.1

CVSS: +26

POC: +20

CVE-2025-3390 vulnerability details – vuln.today

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CVE-2025-3390

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CVE-2025-3390

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Lifecycle Timeline

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Description

Analysis

Technical Context

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External POC / Exploit Code