CVE-2023-27777 in Online Jewelry Shop
Summary
by MITRE • 04/19/2023
Cross-site scripting (XSS) vulnerability was discovered in Online Jewelry Shop v1.0 that allows attackers to execute arbitrary script via a crafted URL.
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Analysis
by VulDB Data Team • 11/23/2025
The cross-site scripting vulnerability identified as CVE-2023-27777 affects the Online Jewelry Shop version 1.0 web application, representing a critical security flaw that enables malicious actors to inject and execute arbitrary scripts within the context of victim users' browsers. This vulnerability stems from inadequate input validation and output encoding mechanisms within the application's web interface, specifically when processing user-supplied data through URL parameters. The flaw allows attackers to craft malicious URLs that, when visited by unsuspecting users, trigger script execution in their browser environment. The vulnerability manifests as a classic reflected cross-site scripting issue where user input is directly incorporated into the application's response without proper sanitization or encoding, creating an attack surface that can be exploited through various delivery methods including phishing emails, social engineering campaigns, or compromised web pages. The affected application fails to implement robust security controls that would prevent malicious script injection, making it susceptible to a wide range of attacks including session hijacking, credential theft, and data exfiltration.
The technical implementation of this vulnerability resides in the application's handling of URL parameters that are not properly validated or sanitized before being rendered in the web page output. When users navigate to a crafted URL containing malicious script payloads, the application processes these parameters without adequate security measures such as input filtering, output encoding, or Content Security Policy enforcement. The vulnerability specifically targets the application's dynamic content generation capabilities where user input is seamlessly integrated into HTML responses, creating a direct path for script execution. This flaw falls under the CWE-79 category of Cross-site Scripting and aligns with ATT&CK technique T1531 which focuses on credential access through web application vulnerabilities. The attack vector exploits the trust relationship between the web application and its users, leveraging the application's legitimate functionality to deliver malicious payloads that can execute in the context of authenticated sessions.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to manipulate user sessions, steal sensitive information, and potentially escalate privileges within the application environment. An attacker could craft URLs that redirect users to malicious sites, inject tracking scripts to monitor user behavior, or execute scripts that harvest cookies and session tokens. The vulnerability's exploitation can result in unauthorized access to user accounts, data breaches, and potential compromise of the entire application infrastructure. Users who visit malicious URLs may unknowingly have their browser sessions hijacked, leading to unauthorized transactions or data modifications within the jewelry shop's system. The impact is particularly severe given that this is an e-commerce platform handling potentially sensitive customer information including personal details and transaction records. The vulnerability also creates opportunities for attackers to perform man-in-the-middle attacks, modify product information, or manipulate pricing data to facilitate fraudulent activities.
Mitigation strategies for CVE-2023-27777 must address both immediate remediation and long-term security improvements to prevent similar vulnerabilities from emerging in the future. The primary fix involves implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase, ensuring all user-supplied data is properly sanitized before being rendered in web responses. This includes implementing proper HTML escaping, using Content Security Policy headers, and adopting secure coding practices that prevent direct insertion of user input into dynamic content. Organizations should also implement regular security testing including automated scanning and manual penetration testing to identify similar vulnerabilities before they can be exploited. The application should be updated to the latest version that contains proper security patches, and all users should be notified of the vulnerability and advised to avoid visiting untrusted URLs. Additionally, implementing web application firewalls, monitoring for suspicious traffic patterns, and establishing incident response procedures will help detect and respond to exploitation attempts. Security awareness training for developers and administrators is crucial to prevent similar issues in future development cycles, ensuring that security considerations are integrated into the software development lifecycle from the initial design phase.