Medium severity6.6NVD Advisory· Published Mar 2, 2023· Updated Jun 17, 2026
CVE-2023-26478
CVE-2023-26478
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.xwiki.platform:xwiki-platform-store-filesystem-oldcoreMaven | >= 14.3-rc-1, < 14.4.6 | 14.4.6 |
org.xwiki.platform:xwiki-platform-store-filesystem-oldcoreMaven | >= 14.5, < 14.9-rc-1 | 14.9-rc-1 |
Affected products
3- Range: >= 14.3-rc-1, < 14.4.6
- ghsa-coordsRange: >= 14.3-rc-1, < 14.4.6
Patches
Vulnerability mechanics
References
5- github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014dnvdPatchWEB
- jira.xwiki.org/browse/XWIKI-20180nvdExploitIssue TrackingVendor AdvisoryWEB
- github.com/advisories/GHSA-8692-g6g9-gm5pghsaADVISORY
- github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5pnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-26478ghsaADVISORY
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