CVE-2023-33528 in halo
Summary
by MITRE • 03/29/2024
halo v1.6.0 is vulnerable to Cross Site Scripting (XSS).
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Analysis
by VulDB Data Team • 04/10/2025
The vulnerability in halo v1.6.0 represents a critical cross site scripting flaw that exposes the application to malicious input manipulation and user session hijacking. This weakness allows attackers to inject malicious scripts into web pages viewed by other users, potentially leading to unauthorized access to sensitive data and system compromise. The vulnerability stems from insufficient input validation and output encoding mechanisms within the application's web interface, creating an attack surface where user-supplied content can be executed in the context of other users' browsers.
The technical implementation of this XSS vulnerability occurs when the application fails to properly sanitize user inputs before rendering them in web responses. This flaw typically manifests in parameters or fields that accept HTML content without adequate filtering or encoding, enabling attackers to craft malicious payloads that execute within victim browsers. The vulnerability may be present in various components including comment sections, user profile fields, or administrative interfaces where user input is processed and displayed without proper security controls.
From an operational perspective, this vulnerability poses significant risks to both end users and system administrators. Attackers can leverage XSS to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or deface web content. The impact extends beyond individual user compromise to potential system-wide breaches when administrators are targeted or when the vulnerability exists in privileged interfaces. Organizations using halo v1.6.0 may face data breaches, regulatory compliance violations, and reputational damage from successful exploitation attempts.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The recommended approach includes employing context-aware escaping for all user-supplied content, implementing strict content security policies, and conducting regular security testing to identify additional vulnerabilities. Organizations should also consider implementing web application firewalls, monitoring for suspicious user behavior patterns, and establishing secure coding practices that align with industry standards such as those outlined in the CWE database under category 79 for cross site scripting. Additionally, the ATT&CK framework categorizes this vulnerability under the technique of "Cross-Site Scripting" with potential impact to privilege escalation and credential theft operations.
Security teams should prioritize immediate patching of the affected version and implement monitoring solutions to detect exploitation attempts. Regular security assessments including dynamic application security testing should be conducted to prevent similar vulnerabilities from emerging in future releases. The vulnerability demonstrates the critical importance of maintaining up-to-date security controls and following secure development lifecycle practices to minimize exposure to common web application threats that remain prevalent across many software platforms.