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    CVE-2021-41180

    Nextcloud talk is a self hosting messaging service. In versions prior 12.1.2 an attacker is able to control the link of a geolocation preview in the Nextcloud Talk application due to a lack of validation on the link. This could result in an open-redirect, but required user interaction. This only affected users of the Android Talk client. It is recommended that the Nextcloud Talk App is upgraded to 12.1.2. There are no known workarounds.

    Published:Mar 8, 2022
    Last Modified:Apr 22, 2025
    EPS:Mar 8, 2022
    EPSS Score:0.00255
    CVSS Score:4.7

    Affected Products

    Vendor
    Nextcloud
    Product
    Talk

    Exploits

    https://hackerone.com/reports/1337178https://hackerone.com/reports/1337178

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

    CVE-2025-66556 (CVSS 3.5) — Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant wi…
    CVE-2023-45149 (CVSS 4.3) — Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection…
    CVE-2023-39957 (CVSS 7.8) — Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to vers…
    CVE-2023-30540 (CVSS 3.5) — Nextcloud Talk is a chat, video & audio call extension for Nextcloud. In affected versions a user that was add…
    CVE-2023-28845 (CVSS 3.5) — Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not p…
    CVE-2023-22473 (CVSS 2.1) — Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, a…
    CVE-2022-41926 (CVSS 3.3) — Nextcould talk android is the android OS implementation of the nextcloud talk chat system. In affected version…
    CVE-2022-39212 (CVSS 4.3) — Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected vers…
    CVE-2022-35932 (CVSS 3.5) — Nextcloud Talk is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.7, 13.0.7, and 14.0…
    CVE-2022-24890 (CVSS 2.4) — Nextcloud Talk is a video and audio conferencing app for Nextcloud. In versions prior to 13.0.5 and 14.0.0, a …

    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