CVE-2024-45933 in OnlineNewsSite
Summary
by MITRE • 10/07/2024
OnlineNewsSite v1.0 is vulnerable to Cross Site Scripting (XSS) which allows attackers to execute arbitrary code via the Title and summary fields in the /admin/post/edit/ endpoint.
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Analysis
by VulDB Data Team • 03/08/2025
The vulnerability identified as CVE-2024-45933 affects OnlineNewsSite version 1.0 and represents a critical cross site scripting flaw that compromises the application's security integrity. This vulnerability specifically targets the administrative post editing functionality where user input is not properly sanitized or validated before being rendered back to users. The attack vector exploits the Title and summary fields within the /admin/post/edit/ endpoint, creating a pathway for malicious actors to inject and execute arbitrary code within the context of a victim's browser session. The flaw stems from insufficient input validation and output encoding mechanisms that fail to properly handle potentially malicious script content submitted through the administrative interface.
The technical implementation of this vulnerability aligns with CWE-79 which categorizes cross site scripting as a result of inadequate input validation and output sanitization. Attackers can leverage this weakness by submitting malicious payloads containing javascript code within the vulnerable fields, which then gets executed when other users view the affected content. The attack operates through the standard XSS exploitation pattern where the malicious script runs in the victim's browser with the privileges of the authenticated user, potentially enabling session hijacking, credential theft, or further privilege escalation within the application. The administrative context of the endpoint amplifies the impact as successful exploitation could allow attackers to modify content, create malicious posts, or gain unauthorized access to sensitive administrative functions.
The operational impact of this vulnerability extends beyond simple script execution to encompass potential data compromise and service disruption. When attackers successfully inject malicious scripts, they can harvest cookies, redirect users to malicious sites, or modify content in ways that damage the site's reputation and integrity. The vulnerability's presence in an administrative endpoint particularly increases risk as it may enable attackers to modify news content, potentially spreading misinformation or conducting phishing attacks through the legitimate news platform. Additionally, the compromised administrative functionality could serve as a foothold for further attacks within the network infrastructure, especially if the application shares credentials or resources with other systems.
Mitigation strategies for CVE-2024-45933 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities. The primary fix involves implementing comprehensive input validation and output encoding mechanisms that sanitize all user-supplied data before processing or rendering. This includes employing context-aware encoding techniques such as HTML entity encoding for web content and proper javascript escaping for dynamic content. Organizations should also implement proper content security policies to limit script execution and utilize secure coding practices including parameterized queries and input sanitization libraries. Regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities. The implementation of web application firewalls and runtime application self-protection mechanisms can provide additional layers of defense. Furthermore, regular security training for development teams and adherence to secure coding standards such as those defined by OWASP and NIST can help prevent the introduction of similar vulnerabilities in future releases, as outlined in the ATT&CK framework's application layer techniques that emphasize the importance of input validation and output encoding in preventing such attacks.