The file mexcel.php in the Vfront 0.99.52 codebase contains a vulnerable call to unserialize(base64_decode($_POST['mexcel'])), where $_POST['mexcel'] is user-controlled input. This input is decoded from base64 and deserialized without validation or use of the allowed_classes option, allowing an attacker to inject arbitrary PHP objects. This can lead to malicious behavior, such as Remote Code Execution (RCE), SQL Injection, Path Traversal, or Denial of Service, depending on the availability of exploitable classes in the Vfront codebase or its dependencies.
CVSS Details
- CVSS 3.1 Base Score: 6.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub