critical9.3
CVE-2026-23734
XWiki Platform has path traversal via resources parameter in ssx and jsx endpoints when using leading slash
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.xwiki.commons:xwiki-commons-classloader-api | >= 4.2-milestone-2, < 16.10.17 | 16.10.17 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-xq3r-2qv5-vqqm
- https://github.com/xwiki/xwiki-commons/security/advisories/GHSA-xq3r-2qv5-vqqm
- https://nvd.nist.gov/vuln/detail/CVE-2026-23734
- https://github.com/xwiki/xwiki-commons/commit/a979cafd89f6a9c9c0b9ab19744d672df64429bf
- https://jira.xwiki.org/browse/XCOMMONS-3547