CVE-2025-22262 in Bonjour Bar Plugin
Summary
by MITRE • 01/21/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Bonjour Bar allows Stored XSS. This issue affects Bonjour Bar: from n/a through 1.0.0.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 03/03/2025
The vulnerability identified as CVE-2025-22262 represents a critical cross-site scripting flaw within the NotFound Bonjour Bar web application, specifically classified as a stored XSS vulnerability under CWE-79. This security weakness arises from inadequate input validation and sanitization during the web page generation process, allowing malicious actors to inject persistent script code into the application's user interface. The vulnerability impacts all versions of Bonjour Bar from the initial release through version 1.0.0, indicating a fundamental flaw in the application's input handling mechanisms that has persisted across its development lifecycle.
The technical implementation of this vulnerability occurs when user-supplied input is directly incorporated into dynamically generated web pages without proper sanitization or encoding. When a malicious user submits crafted input containing script tags or other malicious payloads, these inputs are stored within the application's database or storage mechanism. Subsequently, when other users view pages containing this stored content, the malicious scripts execute within their browser context, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of victims. The stored nature of this XSS vulnerability means that the malicious code persists beyond the initial injection point and affects multiple users over time.
From an operational perspective, this vulnerability presents significant risks to both application integrity and user security. Attackers could exploit this flaw to steal user sessions, modify application data, redirect users to malicious websites, or perform actions as authenticated users. The impact extends beyond individual user accounts to potentially compromise the entire application ecosystem, especially if users have elevated privileges or access to sensitive data. The vulnerability's presence in version 1.0.0 suggests that the application's security controls were insufficiently implemented from the outset, indicating potential architectural flaws in the input processing pipeline that requires comprehensive review and remediation.
Organizations utilizing Bonjour Bar should prioritize immediate remediation through input validation and output encoding mechanisms that align with established security practices. The mitigation strategy should include implementing comprehensive input sanitization using libraries specifically designed to handle XSS prevention, such as HTML escaping or context-appropriate encoding for different output contexts. Additionally, the application should employ Content Security Policy headers to limit script execution and prevent unauthorized code injection. This vulnerability demonstrates the critical importance of following secure coding practices and implementing defense-in-depth strategies as outlined in the ATT&CK framework's application security categories, particularly focusing on preventing code injection attacks that could compromise user sessions and data integrity. The remediation process should also include thorough security testing including automated scanning and manual penetration testing to ensure all potential XSS vectors have been addressed.