CVE Feed

    Dashboard / CVE / CVE-2019-25337

    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.

    Published:Feb 12, 2026
    Last Modified:Jul 15, 2026
    EPS:Feb 12, 2026
    EPSS Score:0.00406
    CVSS Score:9.8

    Affected Products

    Vendor
    Owncloud
    Product
    Owncloud

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

    Related CVEs

    CVE-2025-53831 (CVSS 8.2) — DrawIO for ownCloud is an application for using DrawIO with the file storage, synchronization, and sharing app…
    CVE-2025-53830 (CVSS 9.1) — Anti-Virus for ownCloud is an anti-virus application for file storage, synchronization, and sharing applicatio…
    CVE-2025-53829 (CVSS 8) — ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3,…
    CVE-2025-53828 (CVSS 8.5) — SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sha…
    CVE-2025-53827 (CVSS 9.1) — ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCl…
    CVE-2025-59716 (CVSS 5.3) — ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{t…
    CVE-2022-43679 (CVSS 4.2) — The Docker image of ownCloud Server through 10.11 contains a misconfiguration that renders the trusted_domains…
    CVE-2022-31649 (CVSS 7.5) — ownCloud owncloud/core before 10.10.0 Improperly Removes Sensitive Information Before Storage or Transfer.…
    CVE-2021-35948 (CVSS 5.4) — Session fixation on password protected public links in the ownCloud Server before 10.8.0 allows an attacker to…
    CVE-2021-35946 (CVSS 9.8) — A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High