An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal and delete files by sending a crafted POST request to /Modules.php?modname=users/Staff.php&removefile.
CVE ID: CVE-2025-22923
CVSS Base Severity: HIGH
CVSS Base Score: 8.8
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor: n/a
Product: n/a
EPSS Score: 0.34% (probability of being exploited)
EPSS Percentile: 56.2% (scored less or equal to compared to others)
EPSS Date: 2025-05-01 (when was this score calculated)