Missing Authorization in Filter Stream Converter Application of XWiki-platform

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
• Email us at security ML