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GHSA-8692-g6g9-gm5p
No affected components available
Impact
org.xwiki.store.script.TemporaryAttachmentsScriptService#uploadTemporaryAttachment is returning an instance of com.xpn.xwiki.doc.XWikiAttachment. This class is not supported to be exposed to users without the programing right.
com.xpn.xwiki.api.Attachment should be used instead and takes case of checking the user's rights before performing dangerous operations.
Patches
This has been patched in the version 14.9-rc-1 and 14.4.6.
Workarounds
There's no workaround for this issue.
References
https://jira.xwiki.org/browse/XWIKI-20180
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 needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data. There is a low impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
Probability that this vulnerability will be exploited in the wild within the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
- CVE-2023-26478Alias
- EUVD-2023-0939Alias
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