Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xwiki | Xwiki | >= 14.3, < 14.4.6 |
Related Weaknesses (CWE)
References
- https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916Patch
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5pVendor Advisory
- https://jira.xwiki.org/browse/XWIKI-20180ExploitIssue TrackingVendor Advisory
- https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916Patch
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5pVendor Advisory
- https://jira.xwiki.org/browse/XWIKI-20180ExploitIssue TrackingVendor Advisory
FAQ
What is CVE-2023-26478?
CVE-2023-26478 is a vulnerability with a CVSS score of 6.6 (MEDIUM). 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...
How severe is CVE-2023-26478?
CVE-2023-26478 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-26478?
Check the references section above for vendor advisories and patch information. Affected products include: Xwiki Xwiki.