CVE-2019-11522 in OX App Suite
Summary
by MITRE
OX App Suite 7.10.0 to 7.10.2 allows XSS.
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Analysis
by VulDB Data Team • 11/27/2023
The vulnerability identified as CVE-2019-11522 represents a cross-site scripting flaw within OX App Suite versions 7.10.0 through 7.10.2, constituting a critical security weakness that exposes users to potential malicious exploitation. This vulnerability falls under the category of client-side attacks where malicious scripts can be injected into web applications and executed in the context of other users' browsers. The flaw specifically affects the web-based interface of the OX App Suite platform, which is widely used for enterprise email and collaboration services.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the application's web interface. Attackers can exploit this weakness by crafting malicious payloads that are then executed when other users view affected content or interact with the application. The vulnerability allows for the execution of arbitrary JavaScript code within the victim's browser session, potentially enabling session hijacking, credential theft, or redirection to malicious websites. This type of vulnerability is classified as CWE-79, which specifically addresses cross-site scripting flaws in web applications. The attack vector typically involves injecting malicious scripts through user input fields, URL parameters, or HTTP headers that are not properly sanitized before being rendered to end users.
The operational impact of CVE-2019-11522 extends beyond simple script execution, as it can facilitate more sophisticated attacks within enterprise environments where OX App Suite serves as a critical collaboration platform. Organizations using affected versions face significant risks including unauthorized access to sensitive email communications, potential data breaches, and compromise of user sessions. The vulnerability can be particularly dangerous in corporate settings where users may have access to confidential business information, employee records, or financial data. Attackers could leverage this weakness to escalate privileges, access shared calendars, view private messages, or even gain persistence within the network through stolen session tokens.
Security professionals should consider this vulnerability in relation to the MITRE ATT&CK framework, specifically under the technique T1059.007 for scripting and T1566 for credential access through social engineering. The exploitation of this XSS vulnerability aligns with the broader category of web application attacks that target user trust and session management. Organizations should immediately implement mitigation strategies including input sanitization, output encoding, and strict content security policies. The recommended remediation involves upgrading to OX App Suite version 7.10.3 or later, which includes proper input validation and output encoding mechanisms that prevent malicious script injection. Additionally, implementing web application firewalls, enforcing strict CSP headers, and conducting regular security assessments can help reduce the risk of exploitation. Security teams should also consider implementing user education programs to recognize potential phishing attempts that may exploit this vulnerability and establish monitoring procedures to detect suspicious activities in the application logs.