CVE-2024-56014 in Olivia Plugin
Summary
by MITRE • 01/02/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Markyis Cool Olivia allows Reflected XSS.This issue affects Olivia: from n/a through 0.9.5.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 02/16/2025
The vulnerability identified as CVE-2024-56014 represents a critical cross-site scripting flaw in the Markyis Cool Olivia web application, specifically within the input processing mechanisms that generate web pages. This reflected cross-site scripting vulnerability occurs when the application fails to properly sanitize user-supplied input before incorporating it into dynamically generated web content. The flaw exists in version 0.9.5 and all preceding releases, indicating a persistent issue that has not been addressed in the software's current iteration. The vulnerability stems from the application's inadequate validation and sanitization of data received from external sources, particularly when this data is reflected back to users through web responses.
The technical implementation of this vulnerability allows malicious actors to inject malicious scripts into web pages viewed by other users. When a user visits a specially crafted URL containing malicious script code, the application processes this input without proper neutralization, causing the script to execute within the victim's browser context. This reflected XSS attack pattern is particularly dangerous because it leverages the application's own functionality to deliver malicious payloads, making it difficult to distinguish between legitimate and malicious content. The vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user input before it is rendered in web pages.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. Attackers can exploit this vulnerability by crafting URLs that contain malicious JavaScript payloads, which when clicked by unsuspecting users, execute within their browser sessions. The reflected nature of this vulnerability means that the malicious script is not stored on the server but is instead reflected back to the user through the application's response, making it particularly effective for phishing attacks and social engineering campaigns. This vulnerability directly aligns with ATT&CK technique T1566.001 for Phishing and T1531 for Account Access Through Social Engineering.
Mitigation strategies for CVE-2024-56014 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves sanitizing all user inputs using proper encoding techniques such as HTML entity encoding, JavaScript escaping, and context-appropriate output filtering. Organizations should implement Content Security Policy headers to limit script execution and prevent unauthorized code injection. Additionally, the application should employ proper input validation to reject or sanitize potentially dangerous characters and patterns commonly used in XSS attacks. The recommended solution involves upgrading to the latest version of Olivia where this vulnerability has been addressed, as well as implementing a robust web application firewall that can detect and block malicious input patterns. Regular security testing including dynamic and static analysis should be conducted to identify similar vulnerabilities in the application's codebase, and developers should follow secure coding practices that prioritize input sanitization and output encoding in all web application components.