CVE-2024-43400 XWiki Platform allows XSS through XClass name in string properties
Attackers can inject arbitrary JavaScript via crafted URLs in XWiki, requiring user interaction to execute code in victim sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-43400?
CVE-2024-43400 is a critical cross-site scripting vulnerability in Xwiki Xwiki, published on 19 Aug 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2024-43400?
8 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-oldcore. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.platform:xwiki-platform-oldcore Maven | From 1.1.2 | 14.10.21 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 1.1.2 | 14.10.21 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 15.0-rc-1 | 15.5.5 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 15.0-rc-1 | 15.5.5 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 15.6-rc-1 | 15.10.6 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 15.6-rc-1 | 15.10.6 |
2 more packages
org.xwiki.platform:xwiki-platform-oldcore Maven | From 16.0.0-rc-1 | 16.0.0 |
org.xwiki.platform:xwiki-platform-oldcore Maven | From 16.0.0-rc-1 | 16.0.0 |
Products include Xwiki Xwiki.
How do I fix CVE-2024-43400?
Upgrade org.xwiki.platform:xwiki-platform-oldcore to a fixed version for your release line: 14.10.21, 15.5.5, 15.10.6 or 16.0.0.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2024-43400 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-43400 exists.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Xwiki Xwiki
- CVE-2025-24893 XWiki Platform Eval Injection
- CVE-2025-53836 XWiki Rendering is vulnerable to RCE attacks when processing nested macros
- CVE-2024-55662 XWiki allows remote code execution through the extension sheet
- CVE-2024-55877 XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList
- CVE-2024-37901 XWiki Platform vulnerable to remote code execution from account via SearchSuggestConfigSheet
Sources
Also known as GHSA-wcg9-pgqv-xm5v.