CVE-2024-25167 in eblog
Summary
by MITRE • 03/21/2024
Cross Site Scripting vulnerability in eblog v1.0 allows a remote attacker to execute arbitrary code via a crafted script to the argument description parameter when submitting a comment on a post.
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Analysis
by VulDB Data Team • 04/18/2025
The cross site scripting vulnerability identified as CVE-2024-25167 affects the eblog v1.0 content management system, representing a critical security flaw that enables remote attackers to inject malicious scripts into web applications. This vulnerability specifically targets the comment submission functionality where the description parameter fails to properly sanitize user input, creating an opening for attackers to execute arbitrary code within the context of other users' browsers. The flaw exists due to insufficient input validation and output encoding mechanisms within the application's comment processing logic, allowing malicious payloads to persist and execute when legitimate users view affected content.
The technical implementation of this vulnerability stems from the application's failure to adequately filter or escape special characters in the description parameter during comment submission. When users submit comments containing crafted script payloads, the system stores these inputs without proper sanitization, subsequently rendering them in web pages without appropriate context-aware escaping. This vulnerability maps directly to CWE-79 - Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly encode or escape user-controllable data before incorporating it into dynamically generated web content. The weakness creates a persistent cross site scripting vector that can be exploited across different user sessions and browser contexts.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform various malicious activities including session hijacking, credential theft, and data exfiltration from authenticated user sessions. An attacker could craft a malicious comment containing javascript payloads that would execute in the browsers of other users who view the affected blog posts, potentially leading to complete compromise of user accounts and unauthorized access to sensitive information. The vulnerability also facilitates more sophisticated attacks such as clickjacking, where users are tricked into performing unintended actions on the compromised system. This weakness creates a persistent threat vector that can be exploited repeatedly as long as the vulnerable application remains operational, making it particularly dangerous for blog platforms that host user-generated content.
Mitigation strategies for CVE-2024-25167 should prioritize immediate input validation and output encoding implementations that align with established security frameworks such as the OWASP Top Ten and NIST Cybersecurity Framework. Organizations should implement comprehensive input sanitization techniques including the use of allowlists for permitted characters, proper HTML encoding of user inputs, and the adoption of Content Security Policy headers to limit script execution capabilities. The application should enforce strict validation of all user-supplied data in the description parameter, rejecting any input containing potentially dangerous script tags or encoded javascript. Additionally, implementing proper output encoding for all dynamic content generation ensures that even if malicious input slips through validation, it cannot be executed as code. Security patches should be applied immediately to update the eblog application to a version that addresses this vulnerability, while also conducting thorough security assessments of similar components within the system to identify and remediate potential related weaknesses. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts while the organization maintains ongoing monitoring for any signs of successful exploitation attempts.