XWiki allows unregistered users to see "public" messages from a closed wiki via notifications from a different wiki
Description
XWiki Platform is a generic wiki platform. A vulnerability in versions from 5.0 to 16.7.1 affects users with Message Stream enabled and a wiki configured as closed from selecting "Prevent unregistered users to view pages" in the Administrations Rights. The vulnerability is that any message sent in a subwiki to "everyone" is actually sent to the farm: any visitor of the main wiki will be able to see that message through the Dashboard, even if the subwiki is configured to be private. This issue will not be patched as Message Stream has been deprecated in XWiki 16.8.0RC1 and is not maintained anymore. A workaround for this issue involves keeping Message Stream disabled by default. It's advised to keep it disabled from Administration > Social > Message Stream.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.xwiki.platform:xwiki-platform-messagestreamMaven | >= 5.0, <= 16.7.1 | — |
Affected products
1- Range: >= 5.0, <= 16.7.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- github.com/advisories/GHSA-42fh-pvvh-999xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-32783ghsaADVISORY
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-42fh-pvvh-999xghsax_refsource_CONFIRMWEB
- jira.xwiki.org/browse/XWIKI-17154ghsax_refsource_MISCWEB
News mentions
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