Missing Authorization in Filter Stream Converter Application of XWiki-platform
Date: 2022-11
Affected: maven/org.xwiki.platform:xwiki-platform-filter-ui, maven/org.xwiki.platform:xwiki-platform-filter-ui, maven/org.xwiki.platform:xwiki-platform-filter-ui
Attack vector: auth-bypass
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2022-41937
CWE: CWE-862
CVSS: 9.6 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N)

### Impact The application allow anyone with view access to modify any page of the wiki by importing a crafted XAR package. ### Patches The problem has been patched in XWiki 14.6RC1, 14.6 and 13.10.8. ### Workarounds The problem can be patched immediately by setting the right of the page Filter.WebHome and making sure only main wiki administrators can VIEW it the application is installed on main wiki or edit the page and apply the changed described on https://github.com/xwiki/xwiki-platform/commit/fb49b4f289ee28e45cfada8e97e320cd3ed27113. ### References * https://github.com/xwiki/xwiki-platform/commit/fb49b4f289ee28e45cfada8e97e320cd3ed27113 * https://jira.xwiki.org/browse/XWIKI-19758 ### For more information If you have any questions or comments about this advisory: * Open an issue in [JIRA](https://jira.xwiki.org) * Email us at [security ML](mailto:security@xwiki.org)


Mitigations:

Architectural layers (MAESTRO):