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    Security Policy

    Supported Versions

    Kirby Version Supported Support Status
    3.5.6 ✅ Latest Kirby release, actively supported
    >=3.5.4 ✅ No known vulnerabilities
    2.* ❌ Not supported (end of life) since January 1, 2021
    1.* ❌ Not supported (end of life) since February 1, 2016

    If you need the version information from this page in a machine-readable format, you can use the JSON representation.

    Past Security Incidents

    Affected Description Severity CVE Fixed in
    <=3.5.3.1 Cross-site scripting (XSS) from unvalidated uploaded SVG or XML files high CVE-2021-29460 3.5.4
    <=3.4.4 PHP Phar archives could be uploaded by Panel users as content files and executed critical CVE-2020-26255 3.4.5
    <=3.3.5 Registration block: .dev domains and some reverse proxy setups were treated as local minor CVE-2020-26253 3.3.6

    Security Guide

    Please follow our security guide to keep your Kirby installation secure.

    Reporting a Vulnerability

    If you have spotted a vulnerability in Kirby's core or the Panel, please make sure to let us know immediately. We take any report very seriously and we will react as soon as possible.

    You can always write us directly at security@getkirby.com.
    If you want to encrypt your message, our GPG key is 6E6B 057A F491 FFAD 363F  6F49 9101 10FA A459 E120.

    Please do not write to us publicly, e.g. in the forum, as making security vulnerabilities public before they are fixed can give attackers valuable time to exploit the issue. By letting us know directly, you can protect other Kirby users from such attacks.