CVE-2024-43400: XWiki Platform allows XSS through XClass name in string properties
Impact Is it possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL.
Reproduction steps
1. As a user without script or programming right, create a (non-terminal) document named " + alert(1) + " (the quotes need to be part of the name). 1. Edit the class. 1. Add a string property named "test". 1. Edit using the object editor and add an object of the created class 1. Get an admin to open <xwiki-server>/xwiki/bin/view/%22%20%2B%20alert(1)%20%2B%20%22/?viewer=display&type=object&property=%22%20%2B%20alert(1)%20%2B%20%22.WebHome.test&mode=edit where <xwiki-server> is the URL of your XWiki installation.
Patches This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.
Workarounds
We're not aware of any workaround except upgrading.
References - https://jira.xwiki.org/browse/XWIKI-21810 - https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c
Other sources
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It is possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL. This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.
— MITRE
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-43400?
The severity of CVE-2024-43400 is considered moderate due to the potential for social engineering attacks to exploit it.
How do I fix CVE-2024-43400?
To fix CVE-2024-43400, upgrade to XWiki platform versions 16.0.0, 15.10.6, 15.5.5, or 14.10.21 as specified in the advisory.
What versions of XWiki are affected by CVE-2024-43400?
CVE-2024-43400 affects XWiki versions lower than 14.10.21, 15.0-15.5.5, and 15.6-15.10.6.
Is CVE-2024-43400 a remote code execution vulnerability?
No, CVE-2024-43400 does not allow remote code execution but enables injection of arbitrary JavaScript via crafted URLs.
What kind of attacks can be performed with CVE-2024-43400?
CVE-2024-43400 can be exploited through social engineering tactics to trick users into clicking on malicious links.