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Fencer Vulns
low 3.7

CVE-2023-29203 json

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

published 2023-04-12 3 y ago modified 2026-09-10 1 mo ago also GHSA-vvp7-r422-rx83 , EUVD-2023-1399

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

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.

Patch / fix

  • maven org.xwiki.platform:xwiki-platform-web-templates 13.10.8, 14.4.3, 14.7-rc-1
  • xwiki xwiki 13.10.8, 14.4.3

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vvp7-r422-rx83 referenced PoC, tagged "exploit" by a source, unverified
  • jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-20007 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
maven org.xwiki.platform:xwiki-platform-web-templates
>=13.9-rc-1, <13.10.8
>=14.0-rc-1, <14.4.3
>=14.5, <14.7-rc-1
13.10.8
14.4.3
14.7-rc-1

Affected products

  • xwiki xwiki-platform

Classification

Weakness
  • CWE-359 Exposure of Private Personal Information to an Unauthorized Actor
  • CWE-668 Exposure of Resource to Wrong Sphere

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.