Directory Traversal Vulnerability in openSIS Messaging Module by OS4ED
CVE-2025-22927
9.1CRITICAL
What is CVE-2025-22927?
A directory traversal vulnerability exists in the messaging module of OS4ED's openSIS versions 8.0 through 9.1. This weakness allows attackers to manipulate input parameters in a crafted POST request targeting the Modules.php file, specifically via the inbox messaging function. By exploiting this flaw, adversaries can traverse directories and potentially gain unauthorized access to sensitive files on the server. Users of openSIS are advised to implement necessary patches and review their security configurations to mitigate the risk associated with this vulnerability.
