Directory Traversal Vulnerability in openSIS by OS4ED
CVE-2025-22926

9.8CRITICAL

Key Information:

Vendor

OS4ED

Status
openSIS
Vendor
CVE Published:
3 April 2025

What is CVE-2025-22926?

A vulnerability in openSIS versions 8.0 through 9.1 enables attackers to exploit a directory traversal issue. By sending a crafted POST request to the messaging module, specifically to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename, unauthorized users can access sensitive directories and potentially disclose critical information. It is essential for users of affected versions to apply security patches and follow best practices to mitigate the risk of exploitation.

References

https://github.com/OS4ED/openSIS-Classic
https://github.com/esusalla/vulnerability-research/tree/m...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.