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Description
An issue in OS4ED openSIS v8.0 through v9.1 allows attackers to execute a directory traversal by sending a crafted POST request to /Modules.php?modname=messaging/Inbox.php&modfunc=save&filename.
References
github.com/OS4ED/openSIS-Classic
github.com/...ulnerability-research/tree/main/CVE-2025-22927