CVE-2023-1726 in OBS
Summary
by MITRE • 04/07/2023
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Proliz OBS allows Stored XSS for an authenticated user.This issue affects OBS: before 23.04.01.
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Analysis
by VulDB Data Team • 04/07/2023
The vulnerability identified as CVE-2023-1726 represents a critical cross-site scripting flaw within the Proliz OBS software platform, specifically targeting the web page generation functionality. This weakness enables attackers to inject malicious scripts into web pages viewed by other users, creating a persistent security threat that can compromise user sessions and data integrity. The vulnerability manifests as improper neutralization of input during web page generation processes, allowing malicious code to be stored and executed when legitimate users access affected pages. The affected version range indicates that all versions prior to 23.04.01 remain vulnerable, suggesting this flaw has existed for some time within the software lifecycle.
This stored cross-site scripting vulnerability operates through a specific attack vector where authenticated users can manipulate input fields that are subsequently rendered in web pages without proper sanitization. The flaw falls under the CWE-79 category of Cross-site Scripting, which is classified as a critical weakness in web application security. When an authenticated user submits malicious input that gets stored in the application's database or storage mechanisms, the script becomes persistent and executes whenever other users view the affected content. This particular vulnerability requires authentication to exploit, which means attackers must first gain access to legitimate user accounts or credentials, but once achieved, the impact can be severe and far-reaching.
The operational impact of CVE-2023-1726 extends beyond simple script execution, as it can enable attackers to hijack user sessions, steal sensitive information, manipulate data, and potentially escalate privileges within the affected system. Stored XSS attacks are particularly dangerous because they can remain dormant until users access specific pages, making detection more difficult and allowing attackers to maintain persistent access to compromised systems. The vulnerability affects the core web generation capabilities of Proliz OBS, potentially compromising all user interactions within the platform. This weakness can be leveraged to execute malicious code in the context of the victim's browser, allowing for session theft, data exfiltration, and unauthorized administrative actions.
Mitigation strategies for CVE-2023-1726 should prioritize immediate software updates to version 23.04.01 or later, which presumably contains the necessary patches to address the input sanitization issues. Organizations should implement comprehensive input validation and output encoding mechanisms throughout the application's web generation processes to prevent malicious scripts from being stored or executed. Security teams must conduct thorough code reviews focusing on all input handling and output rendering components, particularly those related to user-generated content. Additionally, implementing proper authentication controls, session management, and regular security testing can help identify and remediate similar vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under the T1059.001 technique for command and script injection, emphasizing the need for robust input sanitization and validation controls to prevent exploitation.