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    CVE-2023-33969

    Kanboard is open source project management software that focuses on the Kanban methodology. A stored Cross site scripting (XSS) allows an attacker to execute arbitrary Javascript and any user who views the task containing the malicious code will be exposed to the XSS attack. Note: The default CSP header configuration blocks this javascript attack. This issue has been addressed in version 1.2.30. Users are advised to upgrade. Users unable to upgrade should ensure that they have a restrictive CSP header config.

    Published:Jun 5, 2023
    Last Modified:Jan 8, 2025
    EPS:Jun 5, 2023
    EPSS Score:0.00085
    CVSS Score:6.4

    Affected Products

    Vendor
    Kanboard
    Product
    Kanboard

    Exploits

    https://github.com/kanboard/kanboard/security/advisories/GHSA-8qvf-9847-gpc9https://github.com/kanboard/kanboard/security/advisories/GHSA-8qvf-9847-gpc9

    Related CVEs

    CVE-2026-57862 (CVSS 8.4) — Kanboard 1.2.52 and prior contains a server-side request forgery vulnerability that allows authenticated users…
    CVE-2026-58660 (CVSS 7.2) — Kanboard through 1.2.52, fixed in commit 564cc30, BoardAjaxController save() method (used by the kanban board …
    CVE-2026-56774 (CVSS 5.3) — Kanboard through 1.2.52, fixed in commit 928c68a, UserViewController::removeSession fails to validate the sess…
    CVE-2026-33058 (CVSS 8.4) — Kanboard is project management software focused on Kanban methodology. Versions prior to 1.2.51 have an authen…
    CVE-2026-29056 (CVSS 7) — Kanboard is project management software focused on Kanban methodology. Prior to 1.2.51, Kanboard's user invite…
    CVE-2026-25531 (CVSS 4.3) — Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, The fix for CVE-2023-3…
    CVE-2026-25924 (CVSS 8.4) — Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, a security control byp…
    CVE-2026-25530 (CVSS 4.3) — Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, the getSwimlane API me…
    CVE-2026-24885 (CVSS 5.7) — Kanboard is project management software focused on Kanban methodology. Prior to 1.2.50, a Cross-Site Request F…
    CVE-2026-21881 (CVSS 9.1) — Kanboard is project management software focused on Kanban methodology. Versions 1.2.48 and below is vulnerable…

    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