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    CVE-2016-9466

    Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Reflected XSS in the Gallery application. The gallery app was not properly sanitizing exception messages from the Nextcloud/ownCloud server. Due to an endpoint where an attacker could influence the error message, this led to a reflected Cross-Site-Scripting vulnerability.

    Published:Mar 28, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 28, 2017
    EPSS Score:0.00458
    CVSS Score:6.1

    Affected Products

    Vendor
    Nextcloud
    Product
    Nextcloud Server
    Vendor
    Owncloud
    Product
    Owncloud

    Exploits

    https://hackerone.com/reports/165686https://hackerone.com/reports/165686

    Related CVEs

    CVE-2026-45810 (CVSS 6.8) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before…
    CVE-2026-45691 (CVSS 5.9) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2026-45690 (CVSS 5.9) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2026-45285 (CVSS 6.4) — Nextcloud is an open source content collaboration platform. From versions 32.0.0 to before 32.0.9, and 33.0.0 …
    CVE-2026-45283 (CVSS 6.3) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2026-45282 (CVSS 6.5) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2026-45281 (CVSS 8.1) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2026-45279 (CVSS 4.4) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before…
    CVE-2026-45157 (CVSS 6.3) — Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before…
    CVE-2025-64011 (CVSS 4.3) — Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpo…

    References

    https://github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58
    https://github.com/owncloud/gallery/commit/b3b3772fb9bec61ba10d357bef42b676fa474eee
    https://github.com/owncloud/gallery/commit/dc4887f1afcc0cf304f4a0694075c9364298ad8a
    https://hackerone.com/reports/165686
    https://nextcloud.com/security/advisory/?id=nc-sa-2016-009
    https://owncloud.org/security/advisory/?id=oc-sa-2016-019
    https://github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58
    https://github.com/owncloud/gallery/commit/b3b3772fb9bec61ba10d357bef42b676fa474eee
    https://github.com/owncloud/gallery/commit/dc4887f1afcc0cf304f4a0694075c9364298ad8a
    https://hackerone.com/reports/165686
    https://nextcloud.com/security/advisory/?id=nc-sa-2016-009
    https://owncloud.org/security/advisory/?id=oc-sa-2016-019

    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