CVE-2023-29203 Unauthenticated user can have information about hidden users on subwikis through uorgsuggest.vm
Unauthenticated attackers can view hidden user details on subwikis via a specific template, exposing usernames and names.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-29203?
CVE-2023-29203 is a low-severity vulnerability in Xwiki Xwiki, published on 15 Apr 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
XWiki Commons are technical libraries common to several other top level XWiki projects. It's possible to list some users who are normally not viewable from subwiki by requesting users on a subwiki which allows only global users with `uorgsuggest.vm`. This issue only concerns hidden users from main wiki. Note that the disclosed information are the username and the first and last name of users, no other information is leaked. The problem has been patched on XWiki 13.10.8, 14.4.3 and 14.7RC1.
Which versions are affected by CVE-2023-29203?
6 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 13.9-rc-1 | 13.10.8 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 13.9-rc-1 | 13.10.8 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 14.0-rc-1 | 14.4.3 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 14.0-rc-1 | 14.4.3 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 14.5 | 14.7-rc-1 |
org.xwiki.platform:xwiki-platform-web-templates Maven | From 14.5 | 14.7-rc-1 |
Products include Xwiki Xwiki.
How do I fix CVE-2023-29203?
Upgrade org.xwiki.platform:xwiki-platform-web-templates to a fixed version for your release line: 13.10.8, 14.4.3 or 14.7-rc-1.
Is CVE-2023-29203 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29203 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-vvp7-r422-rx83.