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CVE-2025-52583: Cross-site scripting (XSS) in NEOJAPAN Inc. desknet's Web Server

0
Medium
VulnerabilityCVE-2025-52583cvecve-2025-52583
Published: Thu Oct 16 2025 (10/16/2025, 10:03:14 UTC)
Source: CVE Database V5
Vendor/Project: NEOJAPAN Inc.
Product: desknet's Web Server

Description

Reflected cross-site scripting (XSS) vulnerability in desknet's Web Server allows execution of arbitrary JavaScript in a user’s web browser.

AI-Powered Analysis

AILast updated: 10/16/2025, 10:30:28 UTC

Technical Analysis

CVE-2025-52583 is a reflected cross-site scripting (XSS) vulnerability identified in all versions of NEOJAPAN Inc.'s desknet's Web Server. Reflected XSS occurs when untrusted input is immediately returned by a web application without proper sanitization or encoding, allowing attackers to inject malicious JavaScript code into the response. When a user clicks on a crafted URL containing the malicious payload, the script executes in their browser under the context of the vulnerable web server. This can lead to theft of session cookies, redirection to malicious sites, or manipulation of the web page content, compromising user confidentiality and integrity. The vulnerability does not require authentication (PR:N) but does require user interaction (UI:R), such as clicking a link. The CVSS 3.0 score of 6.1 reflects a medium severity, with network attack vector (AV:N), low attack complexity (AC:L), and scope changed (S:C), indicating the vulnerability can affect resources beyond the vulnerable component. No patches or known exploits are currently reported, but the vulnerability is publicly disclosed and should be addressed promptly. The vulnerability is particularly relevant for organizations using desknet's Web Server for internal or external collaboration, as attackers could leverage social engineering to exploit users. Mitigation involves applying patches when released, implementing strict input validation, output encoding, and deploying Content Security Policies to restrict script execution. Monitoring web traffic for suspicious requests and educating users about phishing risks are also important.

Potential Impact

For European organizations, this vulnerability poses a moderate risk primarily to confidentiality and integrity of user sessions and data accessed through desknet's Web Server. Attackers could steal session cookies or credentials, enabling unauthorized access to sensitive information or internal resources. Manipulation of web content could lead to misinformation or further social engineering attacks. Although availability is not impacted, the breach of confidentiality could have regulatory implications under GDPR, especially if personal data is exposed. Organizations relying on desknet's Web Server for critical collaboration or document management may face operational disruptions if trust in the platform is compromised. The requirement for user interaction limits mass exploitation but targeted phishing campaigns could be effective. The absence of known exploits currently reduces immediate risk but does not eliminate future threats. European entities with extensive use of desknet's products, particularly in sectors like government, finance, and manufacturing, could be attractive targets due to the potential for lateral movement after initial compromise.

Mitigation Recommendations

1. Apply security patches from NEOJAPAN Inc. as soon as they become available to address the vulnerability directly. 2. Implement strict input validation and output encoding on all user-supplied data to prevent injection of malicious scripts. 3. Deploy Content Security Policy (CSP) headers to restrict the execution of untrusted scripts and reduce the impact of XSS attacks. 4. Educate users about the risks of clicking on unsolicited or suspicious links, emphasizing caution with emails or messages containing URLs to desknet's Web Server. 5. Monitor web server logs and network traffic for unusual patterns indicative of attempted XSS exploitation, such as suspicious query parameters or repeated failed requests. 6. Use web application firewalls (WAF) with rules tuned to detect and block XSS payloads targeting desknet's Web Server. 7. Conduct regular security assessments and penetration testing focused on web application vulnerabilities to identify and remediate similar issues proactively. 8. Limit exposure of desknet's Web Server to only necessary users and networks, employing network segmentation and access controls to reduce attack surface. 9. Review and enforce secure cookie attributes (HttpOnly, Secure, SameSite) to protect session tokens from theft via XSS. 10. Maintain an incident response plan that includes procedures for handling XSS incidents and potential data breaches.

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Technical Details

Data Version
5.1
Assigner Short Name
jpcert
Date Reserved
2025-09-01T11:21:46.336Z
Cvss Version
3.0
State
PUBLISHED

Threat ID: 68f0c5669f8a5dbaeac6c22c

Added to database: 10/16/2025, 10:13:58 AM

Last enriched: 10/16/2025, 10:30:28 AM

Last updated: 10/18/2025, 8:29:58 PM

Views: 12

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