CVE-2019-9145 in Hsycms
Summary
by MITRE
An issue was discovered in Hsycms V1.1. There is an XSS vulnerability via the name field to the /book page.
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Analysis
by VulDB Data Team • 07/19/2023
The vulnerability identified as CVE-2019-9145 represents a cross-site scripting flaw within Hsycms version 1.1 that specifically affects the book page functionality. This issue arises from inadequate input validation and output sanitization mechanisms within the content management system's handling of user-provided data. The vulnerability is particularly concerning as it allows attackers to inject malicious scripts through the name field parameter, which is then executed in the context of other users' browsers when they access the affected book page.
The technical implementation of this vulnerability stems from the application's failure to properly sanitize user input before rendering it within the web page context. When users submit data through the name field on the book page, the system does not adequately filter or encode special characters that could be interpreted as HTML or JavaScript code. This lack of input validation creates an environment where malicious actors can embed script tags or other executable code that will be rendered and executed in the browsers of unsuspecting users who visit the affected page.
From an operational perspective, this XSS vulnerability presents significant risks to both the application's integrity and user security. An attacker could exploit this flaw to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious websites, or even deface the website content. The impact extends beyond simple data theft as the vulnerability could enable more sophisticated attacks such as credential harvesting or privilege escalation within the application's user management system. The vulnerability's location within the book page functionality suggests that any user with the ability to submit content to this section could potentially exploit the flaw, making it particularly dangerous in multi-user environments.
The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, and it maps to ATT&CK technique T1566.001 for initial access through spearphishing attachments or links. The attack vector requires minimal sophistication and could be automated, making it attractive to threat actors. Organizations using Hsycms V1.1 should consider implementing comprehensive input validation mechanisms, output encoding for all user-provided content, and regular security audits of web applications to identify similar vulnerabilities. The recommended remediation involves implementing proper sanitization routines that filter out or encode potentially dangerous characters and implementing Content Security Policy headers to mitigate the impact of any remaining vulnerabilities. Additionally, regular security training for developers on secure coding practices and input validation techniques would help prevent similar issues in future application development cycles.