CVE-2023-29513 Users can be created even when registration is disabled without validation via the template macro in xwiki-platform
Attackers can create unauthorized users via a template macro even when registration is disabled, leading to potential privilege escalation.
- 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-2023-29513?
CVE-2023-29513 is a medium-severity missing authorization vulnerability in Xwiki Xwiki, published on 18 Apr 2023. 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. If guest has view right on any document. It's possible to create a new user using the `distribution/firstadminuser.wiki` in the wrong context. This vulnerability has been patched in XWiki 15.0-rc-1 and 14.10.1. There is no known workaround other than upgrading.
Weakness: CWE-284
Which versions are affected by CVE-2023-29513?
2 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-web-templates. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.xwiki.platform:xwiki-platform-web-templates Maven | From 8.0-rc-1 | 14.10.1 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 8.0-rc-1 | 14.10.1 |
Products include Xwiki Xwiki.
How do I fix CVE-2023-29513?
Upgrade org.xwiki.platform:xwiki-platform-web-templates to 14.10.1 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-29513 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29513 exists.
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-fp36-mjw5-fmgx.