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    CVE-2026-50591

    In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.

    Published:Jun 5, 2026
    Last Modified:Jun 5, 2026
    EPS:Jun 5, 2026
    EPSS Score:0.00029
    CVSS Score:5.4

    Affected Products

    Vendor
    Znuny
    Product
    Znuny

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-50592 (CVSS 6.4) — In Znuny LTS before 6.5.21 and Znuny before 7.3.3, there is reflected XSS in AdminCommunicationLog (aka the …
    CVE-2025-52204 (CVSS 6.1) — A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTR…
    CVE-2025-26846 (CVSS 9.8) — An issue was discovered in Znuny before 7.1.4. Permissions are not checked properly when using the Generic Int…
    CVE-2025-43926 (CVSS 6.1) — An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferenc…
    CVE-2025-26847 (CVSS 7.5) — An issue was discovered in Znuny before 7.1.5. When generating a support bundle, not all passwords are masked.…
    CVE-2025-26842 (CVSS 7.5) — An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encr…
    CVE-2025-26844 (CVSS 9.8) — An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.…
    CVE-2025-26845 (CVSS 9.8) — An Eval Injection issue was discovered in Znuny through 7.1.3. A user with write access to the configuration f…
    CVE-2024-48937 (CVSS 6.1) — Znuny before LTS 6.5.1 through 6.5.10 and 7.0.1 through 7.0.16 allows XSS. JavaScript code in the short descri…

    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