CVE-2019-25337
OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wildcard search parameter to retrieve comprehensive user information.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-02-12
- Last modified
- 2026-07-15
- Weaknesses
- CWE-203
Affected products
References
- https://ftp.icm.edu.pl/packages/owncloud/
- https://owncloud.org/
- https://www.exploit-db.com/exploits/47745
- https://www.vulncheck.com/advisories/owncloud-username-disclosure
