CVE-2022-0510 in pimcore
Summary
by MITRE • 02/08/2022
Cross-site Scripting (XSS) - Reflected in Packagist pimcore/pimcore prior to 10.3.1.
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Analysis
by VulDB Data Team • 02/12/2022
Cross-site scripting vulnerability in Packagist pimcore/pimcore affects versions prior to 10.3.1 and represents a critical security flaw that allows attackers to inject malicious scripts into web applications. This vulnerability falls under the CWE-79 category of Cross-site Scripting, specifically classified as reflected XSS where malicious payloads are embedded in HTTP request parameters and executed in the victim's browser. The vulnerability occurs when the application fails to properly sanitize user input before rendering it in web responses, creating an attack vector that can be exploited through crafted URLs or form submissions.
The technical implementation of this reflected XSS vulnerability stems from insufficient input validation and output encoding mechanisms within the pimcore application framework. When users submit data through web forms or access URLs containing malicious payloads, the application processes these inputs without adequate sanitization before displaying them to other users. This allows attackers to craft malicious URLs that, when clicked by victims, execute arbitrary JavaScript code in the victim's browser context. The attack typically involves injecting script tags or event handlers into parameters that are then reflected back to the user without proper HTML encoding, enabling the execution of malicious scripts that can steal session cookies, redirect users to malicious sites, or perform actions on behalf of the victim.
The operational impact of this vulnerability extends beyond simple script execution as it can lead to complete session hijacking, data exfiltration, and privilege escalation within the affected application environment. Attackers can leverage this vulnerability to gain unauthorized access to user accounts, manipulate application data, or establish persistent access through session theft. The reflected nature of the vulnerability means that attacks can be delivered through various channels including email phishing, social engineering, or compromised web pages, making the attack surface broader and more difficult to monitor. This vulnerability directly impacts the integrity and confidentiality of user data within the pimcore application framework, potentially exposing sensitive business information and user credentials.
Mitigation strategies for this vulnerability include immediate patching to version 10.3.1 or later where the XSS protection mechanisms have been properly implemented. Organizations should also implement comprehensive input validation and output encoding practices throughout the application codebase, ensuring all user-supplied data is properly sanitized before processing or display. The implementation of Content Security Policy headers can provide additional defense-in-depth measures to prevent script execution from unauthorized sources. Security monitoring should include regular scanning for XSS vulnerabilities in web applications, with particular attention to parameters that are reflected in HTTP responses. The vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments and T1071.001 for application layer protocol usage, emphasizing the need for comprehensive web application security controls and regular security assessments to prevent exploitation of such vulnerabilities.