Data leak through a XAR import XXE attack in xwiki-platform-xar-model
Priority LOW 35CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00746 55th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed xwiki-platform (xwiki): 13.10.11, 14.4.7, 14.10.0-rc-1org.xwiki.platform:xwiki-platform-xar-model (Maven): 13.10.11, 14.4.7, 14.10-rc-1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| XWiki | xwiki-platform | 1.1-milestone-3 to before 13.10.11; 14.0.0 to before 14.4.7; 14.5.0 to before 14.10.0-rc-1 | 13.10.11, 14.4.7, 14.10.0-rc-1 | Patch available | CNA |
| — | org.xwiki.platform:xwiki-platform-xar-model (Maven) | 1.1-milestone-3 to before 13.10.11 | 13.10.11 | Patch available | GHSA-gx4f-976g-7g6v |
| — | org.xwiki.platform:xwiki-platform-xar-model (Maven) | 14.0 to before 14.4.7 | 14.4.7 | Patch available | GHSA-gx4f-976g-7g6v |
| — | org.xwiki.platform:xwiki-platform-xar-model (Maven) | 14.5 to before 14.10-rc-1 | 14.10-rc-1 | Patch available | GHSA-gx4f-976g-7g6v |
- xwiki-platform VendorXWiki Affected 1.1-milestone-3 to before 13.10.11; 14.0.0 to before 14.4.7; 14.5.0 to before 14.10.0-rc-1 Fixed in 13.10.11, 14.4.7, 14.10.0-rc-1 Patch available CNA
- org.xwiki.platform:xwiki-platform-xar-model (Maven) Vendor— Affected 1.1-milestone-3 to before 13.10.11 Fixed in 13.10.11 Patch available GHSA-gx4f-976g-7g6v
- org.xwiki.platform:xwiki-platform-xar-model (Maven) Vendor— Affected 14.0 to before 14.4.7 Fixed in 14.4.7 Patch available GHSA-gx4f-976g-7g6v
- org.xwiki.platform:xwiki-platform-xar-model (Maven) Vendor— Affected 14.5 to before 14.10-rc-1 Fixed in 14.10-rc-1 Patch available GHSA-gx4f-976g-7g6v
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* | after 1.1, before 13.10.11; 14.0 to before 14.4.7; 14.5 to before 14.10 | Vulnerable | XWiki |
| cpe:2.3:a:xwiki:xwiki:1.1:milestone3:*:*:*:*:*:* | 1.1 milestone3 | Vulnerable | XWiki |
| cpe:2.3:a:xwiki:xwiki:1.1:milestone4:*:*:*:*:*:* | 1.1 milestone4 | Vulnerable | XWiki |
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:* Versions after 1.1, before 13.10.11; 14.0 to before 14.4.7; 14.5 to before 14.10 Vulnerable ·XWiki
- cpe:2.3:a:xwiki:xwiki:1.1:milestone3:*:*:*:*:*:* Versions 1.1 milestone3 Vulnerable ·XWiki
- cpe:2.3:a:xwiki:xwiki:1.1:milestone4:*:*:*:*:*:* Versions 1.1 milestone4 Vulnerable ·XWiki
Remediation
- Fix · CNA xwiki-platform (xwiki) Fixed in 13.10.11, 14.4.7, 14.10.0-rc-1
- Fix · GHSA-gx4f-976g-7g6v org.xwiki.platform:xwiki-platform-xar-model (Maven) Fixed in 13.10.11 Advisory →
- Fix · GHSA-gx4f-976g-7g6v org.xwiki.platform:xwiki-platform-xar-model (Maven) Fixed in 14.4.7 Advisory →
- Fix · GHSA-gx4f-976g-7g6v org.xwiki.platform:xwiki-platform-xar-model (Maven) Fixed in 14.10-rc-1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27480
- 2026-10-03 Alias added: GHSA-gx4f-976g-7g6v
References
Exploit 2
More Xwiki vulnerabilities
- TI-2025-18595 Remote code execution as guest via SolrSearchMacros request in xwiki KEVCVSS 3.1CRITICAL 9.8
- TI-2023-25214 Remote code execution through the section parameter in Administration as guest in XWiki Platform CVSS 3.1CRITICAL 10.0
- TI-2025-23500 XWiki Platform vulnerable to SQL injection through getdeleteddocuments.vm template sort parameter CVSS 4.0CRITICAL 9.3
- TI-2025-23979 org.xwiki.platform:xwiki-platform-rest-server allows SQL injection in query endpoint of REST API CVSS 4.0CRITICAL 9.3
- TI-2024-20829 XWiki Platform: Remote code execution from account via SearchSuggestSourceSheet CVSS 3.1CRITICAL 10.0
- TI-2024-14375 XWiki Remote Code Execution vulnerability via user registration CVSS 3.1CRITICAL 10.0
Sources
- CVE-2023-27480 · CVE Program
- CVE-2023-27480 · NVD
- FIRST EPSS
- GHSA-gx4f-976g-7g6v · GitHub Advisory Database · CC BY 4.0
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