cve.bz

CVE-2023-26478

8.1 highEPSS 0.7%

High (8.1) in xwiki xwiki. EPSS 0.7% chance of exploitation in the next 30 days. Fixed in org.xwiki.platform:xwiki-platform-store-filesystem-oldcore 14.4.6, 14.9-rc-1.

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.

Severity

CVSS 3.1

8.1 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS
0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE
CWE-749
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-8692-g6g9-gm5pMavenorg.xwiki.platform:xwiki-platform-store-filesystem-oldcore>=14.3-rc-1 <14.4.614.4.6
GHSA-8692-g6g9-gm5pMavenorg.xwiki.platform:xwiki-platform-store-filesystem-oldcore>=14.5 <14.9-rc-114.9-rc-1

References

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