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  • TIBCO Security Advisory: September 27, 2023 - TIBCO Nimbus -CVE-2023-26218


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    TIBCO Nimbus Reflected Cross-site Scripting (XSS) vulnerabilities

    Original releasedate: September 27, 2023
    Last revised: November 20, 2023
    CVE-2023-26218
    Source: TIBCO Software Inc.

    Products Affected

    TIBCO Nimbus versions 10.6.0 and below

    The following component is affected:

    * Web Client


    Description

    The component listed above contains easily exploitable Reflected Cross Site
    Scripting (XSS) vulnerabilities that allow a low privileged attacker to social
    engineer a legitimate user with network access to execute scripts targeting
    the affected system or the victim's local system. A successful attack using
    this vulnerability requires human interaction from a person other than the
    attacker.


    Impact

    In the worst case, if the victim is a privileged administrator, successful
    execution of these vulnerabilities can result in an attacker gaining full
    administrative access to the affected system.

    CVSS v3.1 Base Score: 8.0 (CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)


    Solution

    TIBCO has released updated versions of the affected systems which address this
    issue:

    TIBCO Nimbus versions 10.6.0 and below: update to version 10.6.1 or later


    Acknowledgments

    TIBCO would like to extend its appreciation to Pedro Miguel Ferreira of
    Devoteam Cyber Trust for discovery of this vulnerability.

    References

    https://www.tibco.com/services/support/advisories
    CVE-2023-26218

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