CVE-2023-2864 in Online Jewelry Store
Summary
by MITRE • 05/24/2023
A vulnerability was found in SourceCodester Online Jewelry Store 1.0 and classified as problematic. Affected by this issue is some unknown functionality of the file customer.php of the component POST Parameter Handler. The manipulation of the argument Custid leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-229820.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 06/17/2023
This vulnerability resides within the SourceCodester Online Jewelry Store version 1.0, specifically targeting the customer.php file's POST parameter handler component. The flaw manifests when the Custid argument is manipulated, creating a cross-site scripting vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability's classification as problematic indicates a significant security risk that could compromise user sessions and data integrity. The attack vector is remotely exploitable, meaning malicious actors can initiate the attack without requiring physical access to the target system or network.
The technical implementation of this vulnerability stems from inadequate input validation and output sanitization within the customer.php script. When user-supplied data is directly processed through the POST parameter handler without proper sanitization, it creates an opportunity for attackers to inject malicious JavaScript code. The Custid parameter serves as the attack surface where malicious payloads can be embedded, potentially executing in the context of other users' browsers. This type of vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The vulnerability's exploitability is further enhanced by the fact that it has been publicly disclosed, making it accessible to threat actors who may leverage it for various malicious purposes.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable session hijacking, credential theft, and data manipulation within the affected web application. Attackers could potentially redirect users to malicious sites, steal session cookies, or inject content that appears legitimate to users, thereby undermining trust in the online jewelry store platform. The remote exploitability means that threat actors can target users from anywhere on the internet without requiring network proximity to the vulnerable system. This vulnerability directly violates the principle of least privilege and proper input validation that should be implemented in all web applications. The disclosure of this exploit in VDB-229820 indicates that it has been actively researched and documented by security researchers, increasing the likelihood of real-world exploitation.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms throughout the application. The most effective immediate solution involves sanitizing all user inputs, particularly those used in dynamic content generation, using appropriate encoding techniques such as HTML entity encoding for output contexts. The application should implement proper parameter validation to ensure that Custid values conform to expected formats and ranges. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting script execution. The system should also employ proper session management practices and consider implementing CSRF protection mechanisms. Organizations should also conduct regular security assessments and penetration testing to identify similar vulnerabilities within their web applications, aligning with ATT&CK technique T1190 for exploitation of web application vulnerabilities. Regular updates and patch management procedures should be established to address such vulnerabilities promptly. The implementation of web application firewalls and intrusion detection systems can also help monitor and prevent exploitation attempts.