Headline
GHSA-8692-g6g9-gm5p: xwiki contains Exposed Dangerous Method or Function
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
Package
maven org.xwiki.platform:xwiki-platform-store-filesystem-oldcore (Maven)
Affected versions
>= 14.3-rc-1, < 14.4.6
>= 14.5, < 14.9-rc-1
Patched versions
14.4.6
14.9-rc-1
Description
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
References
- GHSA-8692-g6g9-gm5p
- https://nvd.nist.gov/vuln/detail/CVE-2023-26478
- xwiki/xwiki-platform@3c73c59
- https://jira.xwiki.org/browse/XWIKI-20180
manuelleduc published to xwiki/xwiki-platform
Mar 1, 2023
Published by the National Vulnerability Database
Mar 2, 2023
Published to the GitHub Advisory Database
Mar 3, 2023
Reviewed
Mar 3, 2023
Related news
XWiki Platform is a generic wiki platform. Starting in version 14.3-rc-1, `org.xwiki.store.script.TemporaryAttachmentsScriptService#uploadTemporaryAttachment` returns 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. This has been patched in versions 14.9-rc-1 and 14.4.6. There are no known workarounds for this issue.