CVE-2023-50721

XWiki Platform is a generic wiki platform. Starting in 4.5-rc-1 and prior to versions 14.10.15, 15.5.2, and 15.7-rc-1, the search administration interface doesn't properly escape the id and label of search user interface extensions, allowing the injection of XWiki syntax containing script macros including Groovy macros that allow remote code execution, impacting the confidentiality, integrity and availability of the whole XWiki instance. This attack can be executed by any user who can edit some wiki page like the user's profile (editable by default) as user interface extensions that will be displayed in the search administration can be added on any document by any user. The necessary escaping has been added in XWiki 14.10.15, 15.5.2 and 15.7RC1. As a workaround, the patch can be applied manually applied to the page `XWiki.SearchAdmin`.

XWiki Platform is a generic wiki platform. Starting in 4.5-rc-1 and prior to versions 14.10.15, 15.5.2, and 15.7-rc-1, the search administration interface doesn't properly escape the id and label of search user interface extensions, allowing the injection of XWiki syntax containing script macros including Groovy macros that allow remote code execution, impacting the confidentiality, integrity and availability of the whole XWiki instance. This attack can be executed by any user who can edit some wiki page like the user's profile (editable by default) as user interface extensions that will be displayed in the search administration can be added on any document by any user. The necessary escaping has been added in XWiki 14.10.15, 15.5.2 and 15.7RC1. As a workaround, the patch can be applied manually applied to the page `XWiki.SearchAdmin`.

### Impact The search administration interface doesn't properly escape the id and label of search user interface extensions, allowing the injection of XWiki syntax containing script macros including Groovy macros that allow remote code execution, impacting the confidentiality, integrity and availability of the whole XWiki instance. This attack can be executed by any user who can edit some wiki page like the user's profile (editable by default) as user interface extensions that will be displayed in the search administration can be added on any document by any user. To reproduce, edit any document with the object editor, add an object of type `XWiki.UIExtensionClass`, set "Extension Point Id" to `org.xwiki.platform.search`, set "Extension ID" to `{{async}}{{groovy}}services.logging.getLogger("attacker").error("Attack from extension id succeeded!"){{/groovy}}{{/async}}`, set "Extension Parameters" to `label={{async}}{{groovy}}services.logging.getLogger("attacker").error("Attack from label succeeded!"){{/groovy}}{{/async}}` and "Extension Scope" to "Current User". Then open the page `XWiki.SearchAdmin`, e.g., on http://localhost:8080/xwiki/bin/view/XWiki/SearchAdmin. If there are error log messages in XWiki's log that announce that attacks succeeded, the instance is vulnerable. ### Patches The necessary escaping has been added in XWiki 14.10.15, 15.5.2 and 15.7RC1. ### Workarounds The [patch](https://github.com/xwiki/xwiki-platform/commit/62863736d78ffd60d822279c5fb7fb9593042766#diff-2272c913e5ca43813e52f8fa748c9b043bf0f01561908d7eba6ca3601d8475c4) can be manually applied to the page `XWiki.SearchAdmin`. ### References * https://github.com/xwiki/xwiki-platform/commit/62863736d78ffd60d822279c5fb7fb9593042766 * https://jira.xwiki.org/browse/XWIKI-21200

### Impact The search administration interface doesn't properly escape the id and label of search user interface extensions, allowing the injection of XWiki syntax containing script macros including Groovy macros that allow remote code execution, impacting the confidentiality, integrity and availability of the whole XWiki instance. This attack can be executed by any user who can edit some wiki page like the user's profile (editable by default) as user interface extensions that will be displayed in the search administration can be added on any document by any user. To reproduce, edit any document with the object editor, add an object of type `XWiki.UIExtensionClass`, set "Extension Point Id" to `org.xwiki.platform.search`, set "Extension ID" to `{{async}}{{groovy}}services.logging.getLogger("attacker").error("Attack from extension id succeeded!"){{/groovy}}{{/async}}`, set "Extension Parameters" to `label={{async}}{{groovy}}services.logging.getLogger("attacker").error("Attack from label succeeded!"){{/groovy}}{{/async}}` and "Extension Scope" to "Current User". Then open the page `XWiki.SearchAdmin`, e.g., on http://localhost:8080/xwiki/bin/view/XWiki/SearchAdmin. If there are error log messages in XWiki's log that announce that attacks succeeded, the instance is vulnerable. ### Patches The necessary escaping has been added in XWiki 14.10.15, 15.5.2 and 15.7RC1. ### Workarounds The [patch](https://github.com/xwiki/xwiki-platform/commit/62863736d78ffd60d822279c5fb7fb9593042766#diff-2272c913e5ca43813e52f8fa748c9b043bf0f01561908d7eba6ca3601d8475c4) can be manually applied to the page `XWiki.SearchAdmin`. ### References * https://github.com/xwiki/xwiki-platform/commit/62863736d78ffd60d822279c5fb7fb9593042766 * https://jira.xwiki.org/browse/XWIKI-21200

XWiki Platform es una plataforma wiki genérica. A partir de 4.5-rc-1 y anteriores a las versiones 14.10.15, 15.5.2 y 15.7-rc-1, la interfaz de administración de búsqueda no escapa correctamente a la identificación y la etiqueta de las extensiones de la interfaz de usuario de búsqueda, lo que permite la inyección de XWiki. sintaxis que contiene macros de script, incluidas macros Groovy que permiten la ejecución remota de código, lo que afecta la confidencialidad, integridad y disponibilidad de toda la instancia de XWiki. Este ataque puede ser ejecutado por cualquier usuario que pueda editar alguna página wiki como el perfil del usuario (editable de forma predeterminada), ya que cualquier usuario puede agregar extensiones de interfaz de usuario que se mostrarán en la administración de búsqueda en cualquier documento. El escape necesario se agregó en XWiki 14.10.15, 15.5.2 y 15.7RC1. Como workaround, el parche se puede aplicar manualmente a la página `XWiki.SearchAdmin`.