CVE-2025-0609 in Cloud
Summary
by MITRE • 10/06/2025
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Logo Software Inc. Logo Cloud allows Cross-Site Scripting (XSS).
This issue affects Logo Cloud: before 1.18.
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Analysis
by VulDB Data Team • 06/06/2026
This vulnerability represents a critical web application security flaw classified as improper neutralization of input during web page generation, commonly known as cross-site scripting or XSS. The vulnerability exists within Logo Software Inc.'s Logo Cloud platform, specifically in versions prior to 1.18, where user-supplied input is not adequately sanitized or escaped before being rendered in web pages. This allows malicious actors to inject malicious scripts that execute in the context of other users' browsers, potentially leading to session hijacking, data theft, or unauthorized actions within the application.
The technical implementation of this vulnerability stems from the application's failure to properly validate and sanitize user input that gets incorporated into dynamically generated web content. When users submit data through various input fields or parameters, the application processes this data without sufficient sanitization measures, allowing HTML or JavaScript code to be embedded directly into the output. This creates an environment where attackers can craft malicious payloads that exploit the lack of input validation and output encoding, resulting in persistent or reflected XSS attacks.
The operational impact of this vulnerability is significant as it compromises the integrity and confidentiality of user sessions within the Logo Cloud environment. Attackers could leverage this vulnerability to steal session cookies, impersonate legitimate users, access sensitive data, or perform unauthorized operations on behalf of other users. The vulnerability affects all users of Logo Cloud versions before 1.18, potentially exposing thousands of users to risk. This type of vulnerability is particularly dangerous in cloud-based applications where multiple users share the same platform, as it can enable widespread compromise of user data and system integrity.
From a cybersecurity framework perspective, this vulnerability maps directly to CWE-79: Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security. The vulnerability also aligns with ATT&CK technique T1566.001: Phishing with Social Engineering, as attackers could use XSS to create convincing phishing pages or redirect users to malicious sites. Organizations should implement comprehensive input validation, output encoding, and Content Security Policy (CSP) headers to prevent such vulnerabilities. The recommended mitigation involves updating to Logo Cloud version 1.18 or later, which includes proper input sanitization and output encoding mechanisms. Additionally, implementing a Web Application Firewall (WAF) with XSS protection rules and regular security testing can provide additional defense layers against similar vulnerabilities.