CVE-2025-1618 in vTiger
Summary
by MITRE • 02/24/2025
A vulnerability has been found in vTiger CRM 6.4.0/6.5.0 and classified as problematic. This vulnerability affects unknown code of the file /modules/Mobile/index.php. The manipulation of the argument _operation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.0 is able to address this issue. It is recommended to upgrade the affected component.
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Analysis
by VulDB Data Team • 01/29/2026
This vulnerability resides within the vTiger CRM software version 6.4.0 and 6.5.0, specifically targeting the mobile module's index.php file. The flaw manifests through improper input validation of the _operation parameter, creating a cross-site scripting vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability is classified as a problematic issue that has been publicly disclosed and actively exploited, making it particularly concerning for organizations running these affected versions. The attack vector is remote, meaning an attacker can exploit this weakness without requiring physical access to the target system, which significantly broadens the potential attack surface.
The technical implementation of this vulnerability stems from insufficient sanitization of user-supplied input within the mobile module's processing logic. When the _operation parameter is passed to the index.php file, the application fails to properly validate or escape the input before incorporating it into dynamic web content. This allows an attacker to inject malicious JavaScript code that executes in the context of other users' browsers when they access the affected mobile module. The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a classic example of how improper input handling can lead to severe client-side exploitation. The attack can be initiated through various means including crafted URLs, malicious email attachments, or compromised web pages that redirect users to the vulnerable endpoint.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a range of malicious activities including session hijacking, data theft, privilege escalation, and redirection to phishing sites. An attacker who successfully exploits this vulnerability can potentially access sensitive customer data, manipulate CRM records, or even escalate privileges within the application to gain administrative access. Given that vTiger CRM is commonly used for managing customer relationships and storing sensitive business information, the implications of such an attack can be severe for organizations relying on this platform. The vulnerability affects the mobile module specifically, but since CRM systems often integrate with other business applications and databases, the potential for lateral movement within the network increases significantly.
The recommended mitigation strategy involves upgrading to version 7.0 of vTiger CRM, which contains the necessary patches to address this vulnerability. This upgrade approach aligns with industry best practices for vulnerability remediation and follows the principle of least privilege by ensuring that systems operate on the most secure available versions. Organizations should also implement additional defensive measures such as input validation at multiple layers, web application firewalls, and regular security assessments to prevent exploitation. The ATT&CK framework categorizes this vulnerability under the T1059.007 technique for script injection, highlighting the need for comprehensive security controls. Additionally, implementing proper output encoding and Content Security Policy (CSP) headers can provide additional protection against similar vulnerabilities in the future, as recommended by OWASP guidelines for preventing cross-site scripting attacks.