Description
XWiki Commons are technical libraries common to several other top level XWiki projects. There was no check in the author of a JavaScript xobject or StyleSheet xobject added in a XWiki document, so until now it was possible for a user having only Edit Right to create such object and to craft a script allowing to perform some operations when executing by a user with appropriate rights. This has been patched in XWiki 14.9-rc-1 by only executing the script if the author of it has Script rights.
Remediation
References
https://github.com/xwiki/xwiki-platform/commit/fe65bc35d5672dd2505b7ac4ec42aec57d500fbb
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-cmvg-w72j-7phx
https://jira.xwiki.org/browse/XWIKI-19514
https://jira.xwiki.org/browse/XWIKI-19583
https://jira.xwiki.org/browse/XWIKI-9119
Related Vulnerabilities
CVE-2022-29252 Vulnerability in maven package org.xwiki.platform:xwiki-platform-wiki-ui-mainwiki
CVE-2016-5388 Vulnerability in maven package org.apache.tomcat:tomcat-catalina
CVE-2021-32691 Vulnerability in npm package data-connector-rock
CVE-2022-39246 Vulnerability in maven package org.matrix.android:matrix-android-sdk2
CVE-2011-2481 Vulnerability in maven package org.apache.tomcat:tomcat-catalina