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GHSA-mq7h-5574-hw9f
No affected components available
Impact
It's possible with a simple request to perform deletion or renaming of tags without needing any confirmation, by using a CSRF attack.
Patches
The problem has been patched in XWiki 13.10.7, 14.4.1 and 14.5RC1.
Workarounds
It's possible to patch existing instances directly by editing the page Main.Tags and add this kind of check, in the code for renaming and for deleting:
#if (!$services.csrf.isTokenValid($request.get('form_token')))
#set ($discard = $response.sendError(401, "Wrong CSRF token"))
#end
See the commit with the fix for more information about patching the page: https://github.com/xwiki/xwiki-platform/commit/7fd4cda0590180c4d34f557597e9e10e263def9e
References
- https://jira.xwiki.org/browse/XWIKI-19748
- https://github.com/xwiki/xwiki-platform/commit/7fd4cda0590180c4d34f557597e9e10e263def9e
For more information
If you have any questions or comments about this advisory:
- Open an issue in JIRA
- Email us at security ML
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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