What’s Vulnerable › Vulnerabilities

CVE-2023-29203: Unauthenticated user can have information about hidden users on subwikis through uorgsuggest.vm

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-04-15 · updated 2026-06-17
• Weakness: CWE-359

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.

Affected products

• xwiki-platform: from 13.9 before 13.10.8; from 14.4.0 before 14.4.3; from 14.5 through 14.6; 13.9-rc1 — fixed in 13.10.8, 14.4.3

How to fix

Upgrade to a fixed version: xwiki-platform 13.10.8, 14.4.3. Check the vendor advisory for mitigations.

References

• https://github.com/xwiki/xwiki-platform/pull/1883
• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vvp7-r422-rx83
• https://jira.xwiki.org/browse/XWIKI-20007
• https://github.com/xwiki/xwiki-platform/pull/1883
• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vvp7-r422-rx83
• https://jira.xwiki.org/browse/XWIKI-20007

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