CVE-2023-34466 XWiki Platform's tags on non-viewable pages can be revealed to users

What is CVE-2023-34466?

CVE-2023-34466 is a medium-severity vulnerability in Xwiki Xwiki, published on 23 Jun 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. Starting in version 5.0-milestone-1 and prior to versions 14.4.8, 14.10.4, and 15.0-rc-1, tags from pages not viewable to the current user are leaked by the tags API. This information can also be exploited to infer the document reference of non-viewable pages. This vulnerability has been patched in XWiki 14.4.8, 14.10.4, and 15.0-rc-1.

Weakness: CWE-200

Which versions are affected by CVE-2023-34466?

4 open source packages ship an affected version, including org.xwiki.platform:xwiki-platform-tag-api. It affects 1 product.

Products include Xwiki Xwiki.

How do I fix CVE-2023-34466?

Upgrade org.xwiki.platform:xwiki-platform-tag-api to a fixed version for your release line: 14.10.4 or 14.4.8.

Is CVE-2023-34466 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-34466 exists.

Other vulnerabilities in Xwiki Xwiki

• CVE-2025-24893 XWiki Platform Eval Injection Exploited Critical 9.8
• CVE-2025-53836 XWiki Rendering is vulnerable to RCE attacks when processing nested macros Critical 10.0
• CVE-2024-55662 XWiki allows remote code execution through the extension sheet Critical 10.0
• CVE-2024-55877 XWiki allows remote code execution from account through macro descriptions and XWiki.XWikiSyntaxMacrosList Critical 10.0
• CVE-2024-37901 XWiki Platform vulnerable to remote code execution from account via SearchSuggestConfigSheet Critical 10.0

All Xwiki Xwiki vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7f2f-pcv3-j2r7.