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    Security Policy

    Supported Versions

    Kirby Version Supported Support Status
    3.9.1 ✅ Latest Kirby release
    >=3.8.1 ✅ No known vulnerabilities
    3.9.* ✅ Actively supported
    3.8.* ⚠️ Security support
    3.7.* ⚠️ Security support
    3.6.* ⚠️ Security support until June 26, 2024
    3.5.* ⚠️ Security support until November 15, 2023
    3.* <3.5 ❌ Not supported (end of life) since November 16, 2021
    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 ID Fixed in
    <=3.5.8.1
    3.6.0 - 3.6.6.1
    3.7.0 - 3.7.5
    3.8.0     		User enumeration in the brute force protection Read more › medium CVE-2022-39315 3.5.8.2 3.6.6.2 3.7.5.1 3.8.1
    3.5.0 - 3.5.8.1
    3.6.0 - 3.6.6.1
    3.7.0 - 3.7.5
    3.8.0     		User enumeration in the code-based login and password reset forms Read more › medium CVE-2022-39314 3.5.8.2 3.6.6.2 3.7.5.1 3.8.1
    <=3.5.8 Cross-site scripting (XSS) from dynamic options in the multiselect field Read more › medium CVE-2022-36037 3.5.8.1
    3.5.7 - 3.5.8
    3.6.0 - 3.6.6
    3.7.0 - 3.7.3     		Cross-site scripting (XSS) from content entered in the tags and multiselect fields Read more › high CVE-2022-35174 3.5.8.1 3.6.6.1 3.7.4
    3.5.0 - 3.5.7.1 Cross-site scripting (XSS) from image block content in the site frontend Read more › medium CVE-2021-41258 3.5.8
    3.5.0 - 3.5.7.1 Cross-site scripting (XSS) from writer field content in the site frontend Read more › medium CVE-2021-41252 3.5.8
    <=3.5.6 Cross-site scripting (XSS) from field and configuration text displayed in the Panel Read more › high CVE-2021-32735 3.5.7
    <=3.5.3.1 Cross-site scripting (XSS) from unvalidated uploaded SVG or XML files Read more › high CVE-2021-29460 3.5.4
    <=2.5.13
    3.0.0 - 3.4.4     		Remote code execution (RCE) from PHP Phar archives uploaded by Panel users as content files Read more › critical CVE-2020-26255 2.5.14 3.4.5
    <=2.5.13
    3.0.0 - 3.3.5     		External Initialization of the Panel on .dev domains and some reverse proxy setups Read more › medium CVE-2020-26253 2.5.14 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, on Discord or in a GitHub issue. A public report can give attackers valuable time to exploit the issue before it is fixed.

    By letting us know directly and coordinating the disclosure with us, you can help to protect other Kirby users from such attacks.