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Fencer Vulns
critical 10.0

CVE-2023-36469 in the critical feed json

Code injection through NotificationRSSService in XWiki Platform

published 2023-06-29 3 y ago modified 2026-06-17 4 mo ago also GHSA-94pf-92hw-2hjc , EUVD-2023-1757

cvss
10.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
82.0%
EPSS 82.0% chance of exploitation in 30 days, percentile 99.6%
public exploits
0
none known

Summary

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user who can edit their own user profile and notification settings can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. This has been patched in XWiki 14.10.6 and 15.2RC1. Users are advised to update. As a workaround the main security fix can be manually applied by patching the affected document `XWiki.Notifications.Code.NotificationRSSService`. This will break the link to the differences, though as this requires additional changes to Velocity templates as shown in the patch. While the default template is available in the instance and can be easily patched, the template for mentions is contained in a `.jar`-file and thus cannot be fixed without replacing that jar.

Patch / fix

  • maven org.xwiki.platform:xwiki-platform-notifications-ui 14.10.6, 15.2-rc-1
  • xwiki xwiki 14.10.6

CISA SSVC

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

Exploit prediction

82.03% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-94pf-92hw-2hjc referenced PoC, tagged "exploit" by a source, unverified
  • jira.xwiki.org https://jira.xwiki.org/browse/XWIKI-20610 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-notifications-ui
>=9.6-rc-1, <14.10.6
>=15.0-rc-1, <15.2-rc-1
14.10.6
15.2-rc-1

Affected products

  • xwiki xwiki-platform

Classification

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

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.