Impact
We found a possible XSS vector in the WikiManager.JoinWiki wiki page related to the “requestJoin” field.
Patches
The issue is patched in versions 12.10.11, 14.0-rc-1, 13.4.7, 13.10.3.
Workarounds
The easiest workaround is to edit the wiki page WikiManager.JoinWiki (with wiki editor) and change the line
<input type='hidden' name='requestJoin' value="$!request.requestJoin"/>
into
<input type='hidden' name='requestJoin' value="$escapetool.xml($!request.requestJoin)">
References
- https://jira.xwiki.org/browse/XWIKI-19292
- https://github.com/xwiki/xwiki-platform/commit/27f839133d41877e538d35fa88274b50a1c00b9b
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki
- Email us at security mailing list
References
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-ph5x-h23x-7q5q
- https://nvd.nist.gov/vuln/detail/CVE-2022-29252
- https://github.com/xwiki/xwiki-platform/commit/27f839133d41877e538d35fa88274b50a1c00b9b
- https://jira.xwiki.org/browse/XWIKI-19292
- https://github.com/advisories/GHSA-ph5x-h23x-7q5q