CVE-2019-8115 in Magento
Summary
by MITRE
A reflected cross-site scripting (XSS) vulnerability exists in Magento 2.2 prior to 2.2.10, Magento 2.3 prior to 2.3.3 or 2.3.2-p1. An authenticated admin user can inject arbitrary JavaScript code when adding an image for during simple product creation.
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Analysis
by VulDB Data Team • 02/04/2024
This reflected cross-site scripting vulnerability in Magento versions prior to the specified patches represents a critical security flaw that enables authenticated administrators to execute malicious JavaScript code through image upload functionality during simple product creation. The vulnerability stems from insufficient input validation and output encoding mechanisms within the product management interface, specifically when processing image metadata or file attributes. Attackers exploiting this weakness can craft malicious image files or manipulate image upload parameters to inject persistent JavaScript payloads that execute in the context of other administrators' browsers. The flaw is particularly dangerous because it requires only authentication to the Magento admin panel, making it accessible to any user with administrative privileges who can create products. This creates a significant risk for organizations where privileged users might be targeted through social engineering or compromised accounts, potentially leading to full administrative control over the e-commerce platform and access to sensitive customer data. The vulnerability aligns with CWE-79 which categorizes cross-site scripting flaws as weaknesses in input validation and output encoding, and it maps to ATT&CK technique T1566 related to credential access through social engineering. The reflected nature of the XSS means that the malicious code does not need to be stored on the server but rather injected into the application's response through manipulated input parameters, making it particularly insidious as it can be delivered through various attack vectors including crafted image files or manipulated metadata during upload processes. The impact extends beyond simple script execution as successful exploitation could allow attackers to steal session cookies, perform unauthorized administrative actions, modify product listings, access customer information, or even escalate privileges within the application's user management system. Organizations running affected Magento versions face significant risk of data breaches, financial loss, and regulatory compliance violations when this vulnerability remains unpatched, as it provides a direct pathway for attackers to compromise the integrity and confidentiality of their e-commerce operations. The vulnerability specifically affects the product creation workflow where image uploads occur, making it particularly relevant for businesses with active product catalogs and frequent administrative updates. Security teams should prioritize immediate patching of affected systems and implement additional monitoring for suspicious administrative activities, including unusual product creation patterns or unexpected file upload behaviors. The fix typically involves implementing proper input sanitization, output encoding, and strict validation of image file attributes to prevent malicious code injection during the upload process. Organizations should also consider implementing web application firewalls, content security policies, and regular security assessments to detect and prevent similar vulnerabilities in their Magento installations.