Critical severity9.8NVD Advisory· Published Nov 20, 2023· Updated Jun 17, 2026
CVE-2023-38880
CVE-2023-38880
Description
The Community Edition version 9.0 of OS4ED's openSIS Classic has a broken access control vulnerability in the database backup functionality. Whenever an admin generates a database backup, the backup is stored in the web root while the file name has a format of "opensisBackup.sql" (e.g. "opensisBackup07-20-2023.sql"), i.e. can easily be guessed. This file can be accessed by any unauthenticated actor and contains a dump of the whole database including password hashes.
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Affected products
1- OS4ED/openSIS Classicdescription
Patches
Vulnerability mechanics
References
2- github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38880nvdThird Party Advisory
- www.os4ed.comnvdProduct
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