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Fencer Vulns
critical 10.0

CVE-2023-29526 json

Async and display macro allow displaying and interacting with any document in restricted mode

published 2023-04-18 3 y ago modified 2026-06-17 4 mo ago also GHSA-gpq5-7p34-vqx5 , EUVD-2023-1312

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions it's possible to display or interact with any page a user cannot access through the combination of the async and display macros. A comment with either macro will be executed when viewed providing a code injection vector in the context of the running server. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.3, 14.4.8, and 13.10.11. Users are advised to upgrade. There are no known workarounds for this issue.

Patch / fix

  • maven org.xwiki.platform:xwiki-platform-oldcore 13.10.11, 14.4.8, 14.10.3
  • maven org.xwiki.platform:xwiki-platform-rendering-async-macro 13.10.11, 14.4.8, 14.10.3
  • xwiki xwiki 13.10.11, 14.4.8, 14.10.3

CISA SSVC

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

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • jira.xwiki.org https://jira.xwiki.org/browse/XRENDERING-694 referenced PoC, tagged "exploit" by a source, unverified
  • jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-20394 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-gpq5-7p34-vqx5 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 10.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.xwiki.platform:xwiki-platform-oldcore
>=10.11.1, <13.10.11
>=14.0-rc-1, <14.4.8
>=14.5, <14.10.3
13.10.11
14.4.8
14.10.3
maven org.xwiki.platform:xwiki-platform-rendering-async-macro
>=10.11.1, <13.10.11
>=14.0-rc-1, <14.4.8
>=14.5, <14.10.3
13.10.11
14.4.8
14.10.3

Affected products

  • xwiki xwiki-platform

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component
  • CWE-284 Improper Access Control

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.