A vulnerability in Vtiger CRM Open Source Edition v8.3.0 allows an attacker with admin privileges to execute arbitrary PHP code by exploiting the ZIP import functionality in the Module Import feature.
A Stored Cross-Site Scripting (XSS) vulnerability exists in Vtiger CRM Open Source Edition v8.3.0, exploitable via the Services Import feature. An attacker can craft a malicious CSV file containing an XSS payload, mapped to the Service Name field. When the file is uploaded, the application improperly sanitizes user input, leading to persistent script execution.
Incomplete blacklist vulnerability in config.template.php in vtiger CRM before 5.2.1 allows remote authenticated users to execute arbitrary code by using the draft save feature in the Compose Mail component to upload a file with a .phtml extension, and then accessing this file via a direct request to the file in the storage/ directory tree.