c3crm Cross-Site Scripting Vulnerability in Login Component

Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in c3crm versions through 3.0.4. The issue resides in the Login.php component, where attackers can execute arbitrary web scripts or HTML by injecting a crafted payload into the login_error parameter.

Impact

Exploitation of this vulnerability allows for cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Reproduction

To reproduce this vulnerability, send a request to the login endpoint of the c3crm application with a payload injected into the login_error parameter. This can be done using a web browser or a tool like Burp Suite to intercept and modify the request.

Added: Jun 25, 2025, 6:08 PM
Updated: Jun 25, 2025, 8:10 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
1.7
exploitability
7.4
remediation
0.0
relevance
0.2
threat
4.8
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.