CVE-2024-4747 in CRM Plugin
Summary
by MITRE • 05/14/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Propovoice Propovoice CRM allows Stored XSS.This issue affects Propovoice CRM: from n/a through 1.7.6.2.
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Analysis
by VulDB Data Team • 03/30/2025
The vulnerability identified as CVE-2024-4747 represents a critical cross-site scripting flaw within the Propovoice CRM platform that enables attackers to execute malicious scripts in the context of victim sessions. This stored cross-site scripting vulnerability arises from insufficient input validation and sanitization during the web page generation process, allowing malicious code to be permanently stored and subsequently executed when legitimate users access affected pages. The vulnerability specifically impacts versions of Propovoice CRM ranging from the initial release through version 1.7.6.2, indicating a prolonged period during which the system remained susceptible to this type of attack.
The technical nature of this flaw stems from the application's failure to properly neutralize user-supplied input before incorporating it into dynamically generated web pages. When users submit data through various input fields within the CRM interface, the application does not adequately sanitize or encode this content, creating opportunities for attackers to inject malicious javascript payloads. These payloads are then stored within the application's database and executed whenever authorized users view the affected content, making this a persistent threat that can compromise multiple users over time. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically classified as a stored XSS attack where malicious scripts are permanently stored on the target server and executed automatically when accessed by other users.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking, as it can enable attackers to perform a wide range of malicious activities within the compromised environment. An attacker could potentially escalate privileges, access sensitive customer data, modify records, or even use the compromised CRM as a launchpad for further attacks within the organization's network. The stored nature of this vulnerability means that the impact can persist long after the initial exploitation attempt, as the malicious code remains embedded in the system and continues to execute whenever affected pages are accessed. This characteristic significantly increases the attack surface and makes the vulnerability particularly dangerous for organizations relying on CRM systems for sensitive business operations and customer relationship management.
Organizations utilizing Propovoice CRM versions up to 1.7.6.2 should immediately implement mitigations to address this vulnerability, including updating to the latest available version that contains the necessary security patches. The recommended approach involves implementing comprehensive input validation and output encoding mechanisms throughout the application, ensuring that all user-supplied data is properly sanitized before being processed or stored. Additionally, organizations should consider implementing content security policies to prevent unauthorized script execution and establish monitoring procedures to detect potential exploitation attempts. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1531 (Account Access Token Manipulation) and T1059.007 (Command and Scripting Interpreter: JavaScript), highlighting the need for layered defensive measures including regular security assessments, web application firewalls, and user education about potential phishing and social engineering attacks that could exploit this weakness.