CVE-2024-37216 in Sketchfab Embed Plugin
Summary
by MITRE • 07/22/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Rami Yushuvaev Sketchfab Embed allows Stored XSS.This issue affects Sketchfab Embed: from n/a through 1.5.
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Analysis
by VulDB Data Team • 03/17/2025
The vulnerability CVE-2024-37216 represents a critical security flaw in the Sketchfab Embed plugin developed by Rami Yushuvaev, specifically categorized as an improper neutralization of input during web page generation. This issue manifests as a stored cross-site scripting vulnerability that allows attackers to inject malicious scripts into web pages that are subsequently stored and executed by the application. The vulnerability exists within the plugin's handling of user-provided input during the generation of web pages, where insufficient sanitization or validation permits malicious code to persist in the application's database or storage mechanisms. The affected version range spans from an unspecified starting point through version 1.5, indicating that any installation within this range is potentially compromised and susceptible to exploitation.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the Sketchfab Embed plugin. When users provide input through the plugin interface, particularly when embedding 3D models or content, the application fails to properly sanitize or escape special characters and script tags that could be interpreted as executable code by web browsers. This weakness creates a persistent attack vector where malicious payloads can be stored server-side and executed whenever legitimate users view pages containing the compromised content. The stored nature of this XSS vulnerability means that the malicious code remains active even after the initial injection, making it particularly dangerous as it can affect multiple users over extended periods without requiring repeated exploitation attempts.
The operational impact of CVE-2024-37216 extends beyond simple data theft or defacement, as it provides attackers with the capability to establish persistent footholds within affected environments. An attacker who successfully exploits this vulnerability can execute arbitrary JavaScript code within the context of users' browsers, potentially leading to session hijacking, credential theft, data exfiltration, or redirection to malicious sites. The stored nature of the vulnerability means that the attack can be automated and sustained, as the malicious payload remains active and executable whenever affected pages are accessed. This type of vulnerability can compromise user privacy and security, particularly in environments where the plugin is used by multiple users or in enterprise settings where sensitive information may be exposed through compromised web pages. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a classic example of how insufficient input validation can lead to severe security consequences.
Organizations affected by this vulnerability should prioritize immediate remediation through updating to the latest version of the Sketchfab Embed plugin where the XSS vulnerability has been addressed. The mitigation strategy should include implementing proper input sanitization and output encoding mechanisms to prevent malicious code injection, along with regular security assessments of third-party plugins and components. Additionally, organizations should consider implementing content security policies to limit the execution of unauthorized scripts and monitor for suspicious activity related to the affected plugin. This vulnerability demonstrates the critical importance of validating and sanitizing all user inputs and properly encoding output in web applications to prevent XSS attacks. The ATT&CK framework categorizes this type of vulnerability under T1566, which involves the exploitation of vulnerabilities in applications to gain unauthorized access or execute malicious code, highlighting the need for comprehensive application security measures including regular vulnerability scanning and patch management processes.