CVE-2023-27480

Data leak through a XAR import XXE attack in xwiki-platform-xar-model

Published Mar 7, 2023 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with edit rights on a document can trigger an XAR import on a forged XAR file, leading to the ability to display the content of any file on the XWiki server host. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. Users unable to upgrade may apply the patch `e3527b98fd` manually.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-1020 XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions any user with edit rights on a document can trigger an XAR import on a forged XAR file, leading to the ability to display the content of any file on the XWiki server host. This vulnerability has been patched in XWiki 13.10.11, 14.4.7 and 14.10-rc-1. Users are advised to upgrade. Users unable to upgrade may apply the patch `e3527b98fd` manually.
Github GHSA Github GHSA GHSA-gx4f-976g-7g6v XWiki Platform vulnerable to data leak via Improper Restriction of XML External Entity Reference
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 25, 2025, 3:00 PM
Reserved
Mar 1, 2023, 7:03 PM
Status
Modified
Published
Mar 7, 2023, 7:15 PM
Modified
Jun 17, 2026, 5:45 AM