Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights on `XWiki.AttachmentSelector` can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping in the "Cancel and return to page" button. This page is installed by default. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. There are no known workarounds for this vulnerability.
References (3)
Core 3
Core References
Exploit, Patch, Vendor Advisory x_refsource_confirm
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
Patch x_refsource_misc
https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
Exploit, Issue Tracking, Patch, Vendor Advisory x_refsource_misc
https://jira.xwiki.org/browse/XWIKI-20275
Scores
CVSS v3
9.9
EPSS
0.3196
EPSS Percentile
96.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-74
Status
published
Products (2)
org.xwiki.platform/xwiki-platform-attachment-ui
2.0-rc-2 - 13.10.11Maven
xwiki/xwiki
< 13.10.11
Published
Apr 19, 2023
Tracked Since
Feb 18, 2026