CVE-2025-29689 in oa_system
Summary
by MITRE • 05/15/2025
A cross-site scripting (XSS) vulnerability in OA System before v2025.01.01 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the password parameter at /mail/MailController.java.
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Analysis
by VulDB Data Team • 05/30/2025
This cross-site scripting vulnerability exists within a corporate office automation system prior to version 2025.01.01, specifically manifesting in the MailController.java component where user input validation is insufficient. The flaw occurs when attackers inject malicious payloads into the password parameter, which then gets processed and rendered without proper sanitization or encoding mechanisms. This represents a classic reflected XSS attack vector where the malicious script executes in the context of the victim's browser when they interact with the affected application. The vulnerability stems from inadequate input filtering and output encoding practices that fail to properly handle special characters and script tags that could be interpreted as executable code by web browsers. The security weakness aligns with CWE-79 which defines improper neutralization of input during web page generation, specifically targeting the failure to sanitize user-supplied data before incorporating it into dynamic web content.
The operational impact of this vulnerability extends beyond simple script execution as it provides attackers with the ability to hijack user sessions, steal sensitive information, manipulate data within the application, and potentially escalate privileges within the OA system. When an authenticated user accesses a maliciously crafted link or interacts with compromised email content, the injected scripts can access cookies, session tokens, and other sensitive data stored in the browser's memory. This vulnerability particularly affects enterprise environments where OA systems handle confidential business information, employee data, and internal communications. Attackers could leverage this flaw to perform session hijacking attacks, redirect users to phishing sites, or inject malware directly into the victim's browser environment. The attack surface is broad since password parameters are commonly used in authentication flows and are often processed through multiple application layers, making it easier for attackers to find successful exploitation paths.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow. The primary defense involves sanitizing all user inputs, particularly those used in dynamic content generation, by implementing proper HTML encoding and escaping techniques before rendering any user-supplied data. Organizations should deploy Content Security Policy headers to limit script execution and implement proper input validation routines that reject or sanitize potentially malicious characters. Additionally, the application should enforce strict parameter validation for the password field and other sensitive inputs, ensuring that only expected character sets are accepted. Security patches should be applied immediately to update the OA system to version 2025.01.01 or later, which contains the necessary fixes for this vulnerability. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar issues. The remediation approach aligns with ATT&CK technique T1531 which focuses on establishing defenses against credential access and session hijacking through proper input validation and output encoding practices. Organizations should also implement web application firewalls to detect and block suspicious payload patterns, while maintaining comprehensive logging and monitoring to detect exploitation attempts.