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Unauthenticated user can have information about hidden users on subwikis through uorgsuggest.vm

Low
tmortagne published GHSA-vvp7-r422-rx83 Apr 12, 2023

Package

maven org.xwiki.platform:xwiki-platform-web-templates (Maven)

Affected versions

> 13.9RC1

Patched versions

13.10.8, 14.4.3, 14.7RC1

Description

Impact

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.

Patches

The problem has been patched on XWiki 13.10.8, 14.4.3 and 14.7RC1.

Workarounds

It's possible to workaround this vulnerability by patching directly uorgsuggest.vm to apply the same changes as in #1883.

References

For more information

If you have any questions or comments about this advisory:

Severity

Low
3.7
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE ID

CVE-2023-29203

Weaknesses