CVE-2025-0878 in LimonDesk
Summary
by MITRE • 09/03/2025
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Akinsoft LimonDesk allows Cross-Site Scripting (XSS).
This issue affects LimonDesk: from s1.02.14 before v1.02.17.
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Analysis
by VulDB Data Team • 06/06/2026
This vulnerability represents a classic cross-site scripting flaw that exploits improper input sanitization during web page generation processes. The vulnerability exists within Akinsoft LimonDesk software version s1.02.14 and earlier versions before v1.02.17, where user-supplied input is not adequately neutralized before being incorporated into dynamically generated web content. This weakness falls under the Common Weakness Enumeration CWE-79 category, which specifically addresses improper neutralization of input during web page generation, making it a direct descendant of the broader XSS vulnerability family. The flaw allows attackers to inject malicious scripts into web pages viewed by other users, creating a persistent security risk that can compromise user sessions and data confidentiality.
The technical execution of this vulnerability occurs when LimonDesk processes user input through its web interface without proper validation or sanitization mechanisms. When malicious payloads are submitted through forms, parameters, or other input vectors, the application fails to properly escape or encode these inputs before rendering them in HTML contexts. This creates an environment where attacker-controlled scripts can execute within the victim's browser context, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the user. The vulnerability is particularly concerning as it affects the core web generation functionality of the application, meaning any user interaction that results in dynamic page content creation could be exploited.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable sophisticated attack vectors such as cookie theft, redirection to malicious sites, or even privilege escalation within the application context. Attackers can craft malicious input that, when processed by LimonDesk, creates web pages containing malicious JavaScript code that executes in the browsers of other users. This can lead to unauthorized access to sensitive information, modification of data, or complete compromise of user sessions. The vulnerability affects all users of the affected versions, making it a critical concern for organizations that rely on LimonDesk for their operations, as it creates a persistent attack surface that can be exploited repeatedly without requiring additional user interaction beyond initial input.
Organizations should immediately implement mitigations including input validation and output encoding for all user-supplied data, ensuring that any content entering the application is properly sanitized before being rendered in web contexts. The recommended solution involves upgrading to LimonDesk version v1.02.17 or later, which includes proper input sanitization and neutralization mechanisms. Additionally, implementing Content Security Policy headers, using proper HTML encoding functions, and conducting regular security testing can significantly reduce the risk of exploitation. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious inputs, and T1059.007 for command and control through script injection, making it a multi-faceted threat that requires comprehensive defensive measures across network, application, and user security controls.