Home/CVE/XWiki Platform is a generic wiki platform. Starting in version 14.3-rc-1, `org.xwiki.store.script.TemporaryAttachmentsSc
CVE

CVE-2023-26478

XWiki Platform is a generic wiki platform. Starting in version 14.3-rc-1, `org.xwiki.store.script.TemporaryAttachmentsSc

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.

MEDIUM · CVSS 6.6 EPSS 0.04616
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-749Exposed Dangerous Method or Function
▤

Affected Products & Versions

2
xwiki>= 14.3 and < 14.4.6
xwiki>= 14.5 and < 14.9
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.xwiki.platform:xwiki-platform-store-filesystem-oldcore MODERATE fixed in 14.4.6
⚠

Public Exploits & PoCs

1
pocjira.xwiki.org · XWIKI-20180jira.xwiki.org
▣

Scoring & Timeline

6.6
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Mar 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014dPatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5pVendor Advisory
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