XWiki Platform: Path traversal via resources parameter in ssx and jsx endpoints when using leading slash
Priority MEDIUM 64CWE-23Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
XWiki Platform is a generic wiki platform. Versions prior to 18.1.0-rc-1, 17.10.3, 17.4.9, and 16.10.17 allow access to read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=/../../WEB-INF/xwiki.cfg&minify=false, leading to Path Traversal. The vulnerability is can be exploited via resources parameter the ssx and jsx endpoints by using leading slashes. This issue has been patched in 18.1.0-rc-1, 17.10.3, 17.4.9, 16.10.17.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.18528 97th percentileScored 2026-11-07
Fix Fixed xwiki-commons (xwiki): 16.10.17, 17.4.9, 17.10.3 +1org.xwiki.commons:xwiki-commons-classloader-api (Maven): 16.10.17, 17.4.9, 17.10.3 +1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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-commons | 4.2-milestone-2 to before 16.10.17; 17.0.0-rc-1 to before 17.4.9; 17.5.0 to before 17.10.3; 18.0.0-rc-1 to before 18.1.0-rc-1 | 16.10.17, 17.4.9, 17.10.3, 18.1.0-rc-1 | Patch available | CNA |
| — | org.xwiki.commons:xwiki-commons-classloader-api (Maven) | 4.2-milestone-2 to before 16.10.17 | 16.10.17 | Patch available | GHSA-xq3r-2qv5-vqqm |
| — | org.xwiki.commons:xwiki-commons-classloader-api (Maven) | 17.0.0-rc-1 to before 17.4.9 | 17.4.9 | Patch available | GHSA-xq3r-2qv5-vqqm |
| — | org.xwiki.commons:xwiki-commons-classloader-api (Maven) | 17.5.0 to before 17.10.3 | 17.10.3 | Patch available | GHSA-xq3r-2qv5-vqqm |
| — | org.xwiki.commons:xwiki-commons-classloader-api (Maven) | 18.0.0-rc-1 to before 18.1.0-rc-1 | 18.1.0-rc-1 | Patch available | GHSA-xq3r-2qv5-vqqm |
- xwiki-commons VendorXWiki Affected 4.2-milestone-2 to before 16.10.17; 17.0.0-rc-1 to before 17.4.9; 17.5.0 to before 17.10.3; 18.0.0-rc-1 to before 18.1.0-rc-1 Fixed in 16.10.17, 17.4.9, 17.10.3, 18.1.0-rc-1 Patch available CNA
- org.xwiki.commons:xwiki-commons-classloader-api (Maven) Vendor— Affected 4.2-milestone-2 to before 16.10.17 Fixed in 16.10.17 Patch available GHSA-xq3r-2qv5-vqqm
- org.xwiki.commons:xwiki-commons-classloader-api (Maven) Vendor— Affected 17.0.0-rc-1 to before 17.4.9 Fixed in 17.4.9 Patch available GHSA-xq3r-2qv5-vqqm
- org.xwiki.commons:xwiki-commons-classloader-api (Maven) Vendor— Affected 17.5.0 to before 17.10.3 Fixed in 17.10.3 Patch available GHSA-xq3r-2qv5-vqqm
- org.xwiki.commons:xwiki-commons-classloader-api (Maven) Vendor— Affected 18.0.0-rc-1 to before 18.1.0-rc-1 Fixed in 18.1.0-rc-1 Patch available GHSA-xq3r-2qv5-vqqm
Remediation
- Fix · CNA xwiki-commons (xwiki) Fixed in 16.10.17, 17.4.9, 17.10.3, 18.1.0-rc-1
- Fix · GHSA-xq3r-2qv5-vqqm org.xwiki.commons:xwiki-commons-classloader-api (Maven) Fixed in 16.10.17 Advisory →
- Fix · GHSA-xq3r-2qv5-vqqm org.xwiki.commons:xwiki-commons-classloader-api (Maven) Fixed in 17.4.9 Advisory →
- Fix · GHSA-xq3r-2qv5-vqqm org.xwiki.commons:xwiki-commons-classloader-api (Maven) Fixed in 17.10.3 Advisory →
- Fix · GHSA-xq3r-2qv5-vqqm org.xwiki.commons:xwiki-commons-classloader-api (Maven) Fixed in 18.1.0-rc-1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-23734
- 2026-10-03 Alias added: GHSA-xq3r-2qv5-vqqm
References
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-2026-23734 · CVE Program
- CVE-2026-23734 · NVD
- FIRST EPSS
- GHSA-xq3r-2qv5-vqqm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences