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October CMS

43 known vulnerabilities.

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  • Low 3.3

    October CMS: PHP Object Injection via Backend Widget Session Storage

    October System provides the system module for October Content Management System. Prior to versions 3.7.17 and 4.2.21, the backend `SessionMaker` trait stored widget session state as `base64(serialize(...))` and consumed it with `unserialize()` without an `all…

  • Low 3.3

    October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls

    October System provides the system module for October Content Management System. Versions prior to 3.7.17 and 4.2.21 have a vulnerability in the Twig sandbox security policy that allowed a chained bypass when `cms.safe_mode` is enabled. The Laravel session st…

  • Low 3.3

    October: Editor Sub-Permission Bypass for Asset and Blueprint File Operations

    October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, fine-grained sub-permission checks for asset and blueprint file operations were not enforced in the CMS and Tailor editor extensions. This only affects backend users wh…

  • Low 3.1

    October: Reflected XSS via DataTable Form Widget

    October is a Content Management System (CMS) and web platform. Prior to 3.7.16 and 4.1.16, a reflected Cross-Site Scripting (XSS) vulnerability was identified in the backend DataTable widget where a query parameter was rendered without proper output escaping.…

  • Low 1.1

    October CMS Allows Unprotected SVG Rename in Media Manager

    October is a Content Management System (CMS) and web platform. A vulnerability in versions prior to 3.7.5 affects authenticated administrators with sites that have the `media.clean_vectors` configuration enabled. This configuration will sanitize SVG files upl…

  • Low 3.1

    Reflected XSS via X-October-Request-Handler Header

    October is a self-hosted CMS platform based on the Laravel PHP Framework. The X-October-Request-Handler Header does not sanitize the AJAX handler name and allows unescaped HTML to be reflected back. There is no impact since this vulnerability cannot be exploi…

  • Low 3.5

    October Open Redirect for Administrator Accounts

    October is a self-hosted CMS platform based on the Laravel PHP Framework. This issue affects authenticated administrators who may be redirected to an untrusted URL using the PageFinder schema. The resolver for the page finder link schema (`october://`) allowe…

  • Low 2.8

    Stored XSS by authenticated backend user with access to upload files

    October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.469, backend users with access to upload files were permitted to upload SVG files without any sanitization …

  • Low 3.5

    Stored XSS in October

    In October from version 1.0.319 and before version 1.0.466, a user with access to a markdown FormWidget that stores data persistently could create a stored XSS attack against themselves and any other users with access to the generated HTML from the field. Thi…

  • Low 3.7

    Cross-site Scripting in OctoberPotential self-XSS when pasting content from malicious websites

    In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.

  • Low 3.4

    Upload whitelisted files to any directory in OctoberCMS

    In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to upload jpg, jpeg, bmp, png, webp, gif, ico, css, js, woff, woff2, svg, ttf, eot, json, md, less, sass, scss, xml files to …