CVE-2022-35554 in SmartVista
Summary
by MITRE • 08/20/2022
Multiple reflected XSS vulnerabilities occur when handling error message of BPC SmartVista version 3.28.0 allowing an attacker to execute javascript code at client side.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 07/07/2026
The vulnerability identified as CVE-2022-35554 represents a critical security flaw in BPC SmartVista version 3.28.0 that manifests through multiple reflected cross-site scripting vulnerabilities. This issue specifically arises during the processing of error messages within the application's web interface, creating a pathway for malicious actors to inject and execute arbitrary javascript code in the context of victim users' browsers. The vulnerability stems from insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before incorporating it into error response pages. This weakness allows attackers to craft malicious payloads that, when processed by the application, get reflected back to users in error messages, thereby executing malicious scripts in their browsers. The reflected nature of this vulnerability means that the malicious code does not need to be stored on the server but is instead delivered through crafted requests that trigger the vulnerable error handling mechanisms. This vulnerability directly maps to CWE-79 which defines Cross-Site Scripting as a weakness where untrusted data is sent to a user agent without proper validation or encoding. The attack vector operates through the standard web application request-response cycle where an attacker can manipulate input parameters that ultimately result in error messages being generated, thereby enabling the execution of malicious javascript code. The operational impact of this vulnerability is severe as it can lead to session hijacking, credential theft, data exfiltration, and potentially full system compromise when combined with other attack vectors. An attacker could leverage this vulnerability to steal user sessions, redirect victims to malicious sites, or perform actions on behalf of authenticated users. The vulnerability's exploitation requires minimal privileges and can be executed through simple web browser interactions, making it particularly dangerous in enterprise environments where users may have elevated access rights. According to ATT&CK framework, this vulnerability aligns with T1566.001 which covers "Phishing: Spearphishing Attachment" and T1059.007 which addresses "Command and Scripting Interpreter: JavaScript". The attack chain typically begins with an initial compromise through a phishing email or malicious link, followed by the exploitation of this reflected XSS vulnerability to establish a persistent presence on the victim's system. Mitigation strategies include implementing comprehensive input validation and output encoding mechanisms, deploying web application firewalls to detect and block malicious payloads, and regularly updating the BPC SmartVista application to versions that address this vulnerability. Organizations should also conduct regular security assessments and penetration testing to identify similar vulnerabilities in their web applications. Additionally, implementing content security policies and using proper error handling mechanisms that do not expose raw user input in error messages can significantly reduce the attack surface. The vulnerability demonstrates the critical importance of proper input sanitization and output encoding in web applications, particularly in enterprise software where the potential for widespread impact exists. Organizations should prioritize patch management processes to ensure timely remediation of such vulnerabilities, as the window of opportunity for attackers to exploit reflected XSS flaws is typically very short. The security implications extend beyond immediate code execution to include potential data breaches and compliance violations that could result in significant financial and reputational damage to affected organizations.