XWiki configuration files can be accessed through jsx and sx endpoints
Impact
It's possible to get access and read configuration files by using URLs such as http://localhost:8080/bin/ssx/Main/WebHome?resource=../../WEB-INF/xwiki.cfg&minify=false.
This can apparently be reproduced on Tomcat instances.
Patches
This has been patched in 17.4.0-rc-1, 16.10.7.
Workarounds
There is no known workaround, other than upgrading XWiki.
For more information
If you have any questions or comments about this advisory:
- Open an issue in Jira XWiki.org
- Email us at Security Mailing List
Attribution
The vulnerability was reported by Gregor Neumann.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.xwiki.platform:xwiki-platform-skin-skinx | >= 4.2-milestone-2, < 16.10.7 | 16.10.7 |
References
- https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-m63c-3rmg-r2cf
- https://nvd.nist.gov/vuln/detail/CVE-2025-55748
- https://github.com/xwiki/xwiki-platform/commit/9e7b4c03f2143978d891109a17159f73d4cdd318#diff-ee78930a9ac5ea586179fe8ab88a5fd58e369d175927d1e88a0b4dbc3ebcbf1eR62
- https://github.com/xwiki/xwiki-platform
- https://jira.xwiki.org/browse/XWIKI-23109
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-23- Platform
- Java / Kotlin (Maven)
- Package
org.xwiki.platform:xwiki-platform-skin-skinx- Disclosed
- 03.09.2025
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-m63c-3rmg-r2cf - CC BY 4.0
Vulnerability history: org.xwiki.platform:xwiki-platform-skin-skinx
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 02.2022 09.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- Medium 2
Disclosures per year
- 2022: 2
- 2023: 1
- 2024: 0
- 2025: 1
- 2026: 0
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XWiki configuration files can be accessed through jsx and sx endpoints this entry
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