CVE-2022-41937 Missing Authorization in XWiki Platform

Critical 9.6 Published Updated

Attackers with view access can modify any wiki page by importing a crafted XAR package, requiring patching or permission restrictions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2022-41937?

CVE-2022-41937 is a critical missing authorization vulnerability in Xwiki Xwiki, published on 22 Nov 2022. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. The application allows anyone with view access to modify any page of the wiki by importing a crafted XAR package. The problem has been patched in XWiki 14.6RC1, 14.6 and 13.10.8. As a workaround, setting the right of the page Filter.WebHome and making sure only the main wiki administrators can view the application installed on main wiki or edit the page and apply the changed described in commit fb49b4f.

Weakness: CWE-862

Which versions are affected by CVE-2022-41937?

6 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-filter-ui. It affects 1 product.

PackageAffectedFixed in
org.xwiki.platform:xwiki-platform-filter-ui MavenAll versions13.10.8
org.xwiki.platform:xwiki-platform-filter-ui MavenAll versions13.10.8
org.xwiki.platform:xwiki-platform-filter-ui MavenFrom 14.0.014.4.3
org.xwiki.platform:xwiki-platform-filter-ui MavenFrom 14.0.014.4.3
org.xwiki.platform:xwiki-platform-filter-ui MavenFrom 14.5.014.6-rc-1
org.xwiki.platform:xwiki-platform-filter-ui MavenFrom 14.5.014.6-rc-1

Products include Xwiki Xwiki.

How do I fix CVE-2022-41937?

Upgrade org.xwiki.platform:xwiki-platform-filter-ui to a fixed version for your release line: 13.10.8, 14.4.3 or 14.6-rc-1.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2022-41937 being exploited?

There is no known exploitation of CVE-2022-41937 in the wild and no public exploit code.

All Xwiki Xwiki vulnerabilities

Sources

Also known as GHSA-q6jp-gcww-8v2j.

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