CVE-2021-20828 in Order Status Batch Change Plug-In
Summary
by MITRE • 09/17/2021
Cross-site scripting vulnerability in Order Status Batch Change Plug-in (for EC-CUBE 3.0 series) all versions allows a remote attacker to inject an arbitrary script via unspecified vectors.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/22/2021
The Cross-site Scripting vulnerability identified as CVE-2021-20828 affects the Order Status Batch Change Plug-in for EC-CUBE 3.0 series across all versions, representing a critical security flaw that enables remote attackers to execute malicious scripts within the context of affected web applications. This vulnerability resides within a plugin specifically designed for batch processing of order status changes, which is a fundamental administrative function within e-commerce platforms. The flaw allows attackers to inject arbitrary scripts that can be executed by other users who access the affected system, creating a persistent threat vector that can compromise user sessions and data integrity.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding within the plugin's processing logic. Attackers can exploit unspecified vectors to inject malicious scripts that will be executed when legitimate users view the affected pages or interact with the batch change functionality. This type of vulnerability typically occurs when user-supplied data is not properly sanitized or escaped before being rendered in web pages, allowing attackers to inject script code that executes in the victim's browser context. The vulnerability's classification aligns with CWE-79 which specifically addresses Cross-site Scripting flaws in web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or extract sensitive information from the application. In the context of EC-CUBE e-commerce platforms, this vulnerability could allow attackers to manipulate order statuses, potentially leading to financial fraud, data breaches, or service disruption. The batch processing nature of the affected plugin means that a single injection could affect multiple orders simultaneously, amplifying the potential damage. Attackers could leverage this vulnerability to create persistent backdoors or escalate privileges within the administrative interface.
Security practitioners should implement comprehensive mitigations including input validation, output encoding, and proper content security policies to address this vulnerability. The recommended approach involves sanitizing all user inputs before processing and ensuring that all output is properly escaped according to the context in which it is rendered. Additionally, implementing a web application firewall that can detect and block XSS attack patterns provides an additional layer of protection. Organizations should also consider applying immediate patches or updates to the affected plugin versions, as recommended by the software vendor. This vulnerability demonstrates the importance of secure coding practices and regular security assessments, particularly for administrative plugins that handle sensitive data processing functions. The ATT&CK framework categorizes this vulnerability under T1059.001 for command and scripting interpreter, as attackers can execute malicious scripts through the XSS payload, potentially leading to further exploitation techniques including credential theft and privilege escalation within the application environment.